Catted vs catless downpipe bmw. Went with catless on my F10 535i.

Catted vs catless downpipe bmw. I have catless downpipes and an AWE full exhaust.

Catted vs catless downpipe bmw Apr 7, 2020 · B46/B48 Catless vs High-Flow Catted Downpipe Catless downpipes are the least restrictive option, and will therefore provide the best power gains. That is not correct. High-performance catted exhaust downpipe for singe turbo B58 equipped BMW M340i from the leader in BMW performance parts and software tuning for over 38 years. BMW Garage: BMW Meets: Register: Today's Posts: Like many of you, I thought a LOT about catless vs catted downpipes. Please note that the warranty on the catted downpipe is limited to two years. Real-World Variability: Actual fuel consumption changes can vary widely based on individual driving conditions and vehicle modifications. Aug 9, 2006 · What is the HP lose for a catted downpipe vs a catless downpipe. I don’t really care about inspection tests as I don’t need to get them here in Canada. 4L V8 Twin-Turbo powered 550i allows you to take your N63/N63TU engine to the next level. com. . Features * Largest diameter downpipe for B58 worldwide * 6" diameter Euro 6 400 cell You guys asked for a Downpipes video so here it is! We cover catted and Catless Downpipes plus the effect that both of them have when it comes to boost creep ARM Motorsports' new N63/N63TU downpipes for the 4. The ARM 6" B58 Downpipe takes the title of being the largest catless downpipe available for the B58 platform! The sound coming from your B58 with the 6" section in the ARM B58 Downpipe will astonish you. I don't think the country makes a difference in terms of the CEL, but you'll need to check with a local tuner for a more accurate answer. Mar 28, 2023 · The downpipe you linked from our website is catted; we do not offer catless downpipes. It's the high HP cars have a hard time staying within the constraints of the o2 sensors expected parameters. Are you still in confusion as to what downpipe to go for? We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. is it worth it to get a catted down pipe i can't deside which one to buy to run stage 2 in this thread in this sub-forum in the entire site Aftermarket BMW B48 Downpipe Catless or High Flow Catted will improve flow and performance. Jul 2, 2020 · Catless downpipes provide power gains in the ballpark of 20-25whp with a tune. 200 cell primaries and catless secondaries, maybe 30-40 rwhp. S63 catless vs high-flow catted downpipes. High-flow catted downpipes may pass emissions in some states, but tampering with OE emissions equipment may still be illegal. Additionally, they will both reduce turbo lag and lower the boost threshold. if you stop the engine glowing like this, the oil will be burnt and might leave a little residue on the shaft, causing a small imbalance. yes you can run a catless down pipe with a catless exhaust system or any combo of a catted or non catted down pipe or exhaust. But for what they cost, get a tune and a catless or 200cel. The tuner said doing catless wont sound good. Made from high-quality materials, this downpipe is designed to provide maximum exhaust flow and improve turbo spool time, resulting in increased horsepower and torque. This device acts as a converter, changing harmful exhaust emissions into less harmful substances. Should work the same vise versa. #car #cars #bmw #440i”. 00; Note: Some of these downpipes are available in both catless and catted versions. The catted downpipe is an APR and the Catless is ARM. Jul 16, 2021 · If catted downpipes provide you with 40 horsepower after tuning, then expect a catless downpipe to provide you up to 50 or 55 horsepower. Oct 6, 2021 · A catless downpipe may be significantly cheaper than a catted downpipe, but it is not suitable for road use and is guaranteed to trigger the Check Engine Light (CEL). This bounce back creates resistance for the turbo compressor, which reduces spool. Is the smell actually bad? If so, I will have to go with the catted then All VRSF downpipes are hand crafted from SS304 grade stainless steel and include a lifetime warranty as well as our “No Hassle” satisfaction guarantee (includes fitment). By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is significantly reduced which results in faster spool, an increase in power & a more aggressive exhaust note. Is anyone running a VRSF Catted downpipe on their 540i? Mar 4, 2021 · BMW M5 Catless vs Catted DP’s. I'd like to retain the MPE note as it's perfect. Ask technical questions, contribute answers, or show off your ride. Catless down pipe and emission help! Hey guys ! I have a 2020 330i b46 and was wondering what's the best downpipe and the difference between catted and catless. I dont think I will pass inspection with a catless downpipe but I still want that aggressive tone to my exhaust. Be sure you understand how to pass emissions since either catless or "high flow" catted downpipes WILL cause you to fail emissions if you just slap them on and bring it in. The volume is slightly lower but the tone is higher and a tad raspy. My understanding is that if you do run catless down pipes you need a o2 simulator to take care of the check engine light. Overall length of exhaust, turbo sizing, muffler design, etc. Oct 7, 2022 · 2022 X3 M40i Hi, new to the community here with my first Bimmer as an M40i. Bimmerpost ☰ Model Selection. So you are just going with new turbo then aka diverter was good? I'm not sure how much bigger that turbo is, but You idle your car a lot and Id hate for you to have exhaust smell that bad all the time, at least catted allows SOME control. Mar 8, 2023 · As you stated that there isn't too much noise from a catted downpipe, I am now contemplating a custom exhaust, for now, and then a catted downpipe and a tune alongside it in the near future. To put it straight and simple, a catted downpipe is preferable on public roads to a catless downpipe, especially if the vehicle is used frequently. More on the specific gains of each in the next section. I have catless downpipes and an AWE full exhaust. Smooth radius bends decrease turbulence and increase flow. Because catted downpipes contain a catalytic converter, they significantly reduce harmful pollutants. Jun 18, 2024 · I'm looking to upgrade my BMW G20 M340i with a new downpipe and pair it with a muffler delete to enhance performance and sound. Customization: Catted downpipes offer customization options with various catalytic converter types and sizes. The catted version sounds very similar to the catless variant, but will help with some of the exhaust odor. I'm really looking to hear from people who have purchased the VRSF catted downpipe to provide an up-to-date review on the exhaust note, drone, smell increase, etc. Aug 4, 2023 · My best guess is that catless primaries and secondaries could add as much as 50 rwhp on a tuned stock motor. Need help finding Downpipes for your BMW? Call us at 877. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. I am looking to get a downpipe for my F30 335i N55 engine. The real difference is catless will be a bit louder and more raspy than catted which is louder and more raspy than the stock DP. Jul 5, 2020 · Learn about BMW S63 upgraded downpipes (DP's). Jan 31, 2022 · Catless vs. Works very well on Stage 2, 2 Catted downpipes and catless downpipes. Do not compromise performance and sound with factory parts – unleash your BMW’s potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. 0 engine vehicles. 5inch all the way until the exhaust meets the dp. BMW S63tu upgaded DP's performance, hp, and sound. Catted downpipes provide slightly less horsepower (about 5-10 lesser) but they have much more pros than the catless version: significantly less emission, no unpleasant smell, and has lesser chances of See full list on bmwtuning. com/TURBOSPOOLE85/I wanted to answer the question if there is in fact a difference in power between a high-flow cat downpipe, and a cat Feb 19, 2025 · The VRSF 3. There's too much focus on maximizing every once of power in the online community but at what compromise? I'm shooting for 400-425whp that I can daily. Bringing even more performance & exciting exhaust sounds to your vehicle. VRSF Downpipe - Catted vs Catless. ⁣ ⁣ Our BMW G8X HFC downpipes utilize GESI GEN1 UHO metal-core 300cpsi cats, rated for 500-800 horsepower applications. Features* Largest diameter downpipe for B58 wor BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Catted vs Catless Google Search Search Forums Sep 10, 2023 · High-flow catted downpipes – 200 cell high flow cats; Catted downpipes – series of standalone catalytic converters; Let’s compare the pros and cons of each design: Catless Downpipes. even small imbalances are not good. the only exception to this is the active autowerke downpipe as they use GESI cats which do not trigger a check engine light _____ traditionally the catless downpipe made more power than the catted downpipe due to the cat material slowing down the air flow. Make an informed choice for your next upgrade. TikTok video from whychriis (@whychriis): “Explore the differences between catted and catless downpipes for BMW 440i. Previously I have flow tested the Trackslag catted vs ARM catless downpipes and airflow increased by ~20% with the catless downpipe. We’ll somewhat dive into the specific performance gains of catless vs catted F90 M5 downpipes below. Purchasing a VRSF downpipe comes with peace The Mad Catless B58 Downpipe is an essential upgrade for any BMW enthusiast looking to maximize the performance of their B58 engine. This makes them a more environmentally responsible choice and ensures compliance with emissions testing in many Catless downpipes are one of the best mods for performance you can do to your N54. ApexBuilt G8X HFC downpipes offer perfect fitment, drastically improved throttle response & exhaust note vs OEM, and a lifetime warranty. Next to impossible to find real dyno data. Start by picking a proven brand for guaranteed fitment and no leak. If you don’t need the catted downpipe for emission regulations, I would recommend choosing the catless downpipe for optimal sound and performance. Catted downpipes are fitted with a high-flow catalytic converter, which cleans the gases just as your OEM catalytic converter will. If you change the primary downpipe to catless or catted, it will trigger the check engine light. Very excited to say the least. If performance is your concern/goal I think there’s negligible difference between most, some say even Catted vs catless. If you live in a place where emissions testing is required Let’s get to know downpipes a little better. Catless Downpipes: Catless downpipes, as the name implies, do not have catalytic converters installed. Sep 19, 2023 · The catless downpipe vs. If you select the catted S58 Downpipes, the catalysts will replace the resonators found in the the catless/resonated downpipes. I could use advice on this. back to the point of the thread: Downpipe!! I want to run Stage2 and push for around 460 horses, so a pipe is definitely needed. I wanted a catted DP that did not cause a CEL. 2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications OEM gutted cat vs catless downpipe. This limits not only the amount of power N20 can make on the stock tune, but also prevents upgrading to a stage 2 tune due to excessive back-pressure. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the add Dec 8, 2023 · Join us as we take Ahmed's 2021 BMW G20 M340i to the next level with a Project Gamma Catless Downpipe installation! 🔥 This downpipe will help his car not on Dec 23, 2022 · Each downpipe utilizes either a 200-Cell High-Flow Catalyst. An aftermarket catted dp uses a high flow cat with fewer, wider cells. I cover more about this topic in this article – where I talk about detailed pros and cons. High HP and torque gains. Also, ha Sep 6, 2021 · Hey guys, i'm looking to upgrade my stock dp to some highflow catted dp for better exhaust sound and slightly better power, and not really interested in paying $1500-3000 for dp. 3 inch VRSF Catless downpipe VS 3 inch mmp catless downpipes OR the 3 inch VRSF Catted downpipe. the only pro for catless over high flow catted is the cheaper cost. Catted Downpipes - Page 3 Bimmerpost ☰ Model Selection Performance Parts For Your Bmw At Crazy Low Prices! Email: info@mad-us. These downpipes are THE best bang for the buck mod available for your B58 and they’re available in both race & high flow configurations. 5" merge collector. 5 30 The CTS Turbo Catless Downpipe BMW B58 is made to maximize exhaust flow for highest power gains. VRSF offers both catless and catted versions of their N55 downpipe. Understanding the difference between a catless vs catted downpipe is crucial for those who want to install a downpipe but don’t know which one should install. May 15, 2024 · Depends on the catted downpipe but I would say our catless is about 30-40% louder +- 10% depending on the rest of the exhaust. 639. It doesn’t give you that much more but definitely more. Power gains are the same on catted vs catless with stock turbo Catless sounds more aggressive but smells, catted does not smell. My personal recommendation is to go for catted high-flow downpipe. Again, easy to spend your money but something like this. Jan 10, 2024 · There's a few, essentially any that use a 400cel GESI cat. Feb 25, 2016 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > B58 BMW 340 VM 4" CátLess D0wnpipe Dyno Testing - Before and After Results Nov 8, 2023 · I run AA catted, I have been debating swapping into an armytrix catless but both my local clients with 23's running catless have been having tons of overboost and throttle closure issues so getting nervous that 23's are not liking being catless on the stock tune. 0 Premium. Includes sound clips Wanna get downpipes for my m4, I know most people say just to go with the cheapest one just wondering if PLM is a trustable/good quality downpipe brand for the m4 f82, It's insanely cheap I found a seller on facebook for like $275 whereas vrsf is $479, I just want something that gives that release of pressure to the engine with decat, hence more horsepower, and increased sound. The exhaust gases from your car will be toxic both to the environment and yourself. Even if you have a 2024 - pay to get an unlock and get a tune and a catless dp - won't cost much more than an AA and you get a LOT more benefit - a LOT. They are also cheaper to produce since the catalytic substrate costs a good deal of money, plus the fitment of a strait section of wider pipe always makes plumbing more difficult than the simple strait piping of a catless design. Car: 2011 E90 335i X-drive AT New to BMW, have been a 15' GTI guy for a while. Barely noticeable. Because I've done countless 20-22 with with basically no issues. Stick to catted downpipes with the 4" catalyst vs those bragging 5" on a 4" downpipe. the turbos hate this with a passion. I think what you're worried about is an exhaust leak, and exhaust leaks typically sound more like a hissing. The GESI cats that are guaranteed no CEL are really good, and good for up to 800hp or something. F40Model Year: 2019 + THE LARGEST BMW 2-SERIES FORUM ON THE PLANET. Catted Downpipes: Catted downpipes include a catalytic converter (often a high flow sports cat). Made from mandrel bent, tig welded 304 grade stainless steel. Picking up a car with MPE installed. Feb 6, 2015 · BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Downpipe catless vs catted help Google Search Search Forums Apr 22, 2014 · BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Catted downpipes vs catless downpipes Google Search 2012-2015 BMW 3-Series and 4-Series Forum. Catted downpipes incorporate a catalytic converter, making them the road-legal option. So I sold it and bought catted one. 5" in diameter, this is the largest cast catless and catted downpipe available on the market. Pros: Maximum flow capability and power gains; Aggressive exhaust tone when combined with other mods; Cons: Not legal/compliant in many areas due to no cats Jul 7, 2022 · You can change the secondary downpipes, no check engine light. The catback is APR which stays the same in b FACEBOOK: https://www. If you want to remain catted, I would highly recommend our catless downpipes + catted front pipes combo. The ARM B58 Downpipe is one of the foundational upgrades for giving your B58-powered BMW more power, torque, and sound. yeah normal - but you shouldn’t put it away this hot. Feb 1, 2023 · I’ve been recently looking for a high flow catted downpipe so that I could take my g20 330i to stage 2. VRSF Catted Downpipes for 2019 – 2022 BMW X3M & X4M S58 F97 F98 $ 599. I've had a few of my friends tell me to get a downpipe, specifically a catless VRSF dp for louder sound (unrestricted) and better performance. the bearings on these these are oil pressure dependent . Jun 30, 2020 · In this guide, we will compare N63 catless and catted downpipes, lay out the pros and cons of each, and list a few of the best N63 upgraded downpipes. Mar 27, 2024 · Choice between catless and catted downpipe. Jul 19, 2021 · I think this is all covered by existing threads, but FWIW I chose Active Autowerke MAPerformance for my 2021 3. I Exhaust comparison between a Catless Downpipe from VRSF and a Catted Downpipe with a high flow cat from Evolution Racewerks. This is a TRUE 4. 4K views 54 replies 9 participants last post by williams Aug 29, 2019 It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). 833 Likes, 38 Comments. AA primary cats and catless secondaries, maybe 20-30 rwhp. Only worry is I have an e93 (convertible) and worried that it might be a very strong smell if I have catless downpipes n the roof is dropped. Manufactured from T304 stainless Read More "CTS Turbo 4. Nov 29, 2021 · Catless downpipes with a tune usually net about 20-30 whp and 30-50 wtq. 5″ downpipe upgrade is THE best bang for the buck mod available for your N55 135i & 335i/xi. Catless downpipes are an off road only modification and should not be used on the street. The idea of a downpipe upgrade is to reduce back-pressure. Jun 29, 2020 · N20 Catless Downpipe vs High-Flow Catted Downpipe Catless downpipe options for the N20 are the least restrictive, and will result in the best power gains and spool. The longer downpipe (front downpipe) in the set May 24, 2013 · We offer catless downpipes or catted downpipes that will fit with the OEM front pipes. VRSF Catted Downpipes for 2019 – 2022 BMW X3M & X4M S58 F97 F98 VRSF Racing Downpipes S58 2020 – 2023 BMW M3 & M4 G80, G82, G83 – 10802058. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > 4. 30 Day Money-Back Guarantee | IN STOCK HIGHLIGHTS • Gain up to +43whp / 48wtq• Improved Turbo Spool• Enhanced Exhaust Note• Fully Reversible PROFILE ARM Motorsports' new N63/N63TU downpipes for the 4. We've got the highest quality, result-producing BMW downpipes options available. BMW Garage: BMW Meets: The ARM Motorsports N20 Downpipe is the best hardware upgrade to get the most power from your 320i or 328i. 5″ BMW X3 M40iX G01 & X4 M40iX G02 B58 Stainless Steel Downpipe F30 is a sub dedicated to all things 2011 - 2019 BMW 3 series. They also promised to replace it if there was one The first time I got a CEL (unrelated to Downpipe) they were very helpful and were ready to replace it when I called. Catted vs catless down pipe? Hub for all BMW 3 series, 2006-2013. I think you can spend 3k on much more Dec 10, 2024 · Emissions and Environmental Impact Emission control is one of the most significant differences between catted and catless downpipes. Long story short. Catted systems may be more durable due to the protective nature of the catalytic converter. High Flow Downpipes Explore a comprehensive comparison between catted and catless downpipes, examining performance, emissions, sound, and other considerations that influence your choice. The cats are moved downstream and reduced EGTs tremendously! Going full catless is fine, we've found a work around to include microcats and not trigger a CEL. May 4, 2023 · The two main options available are catless downpipes and catted downpipes (downpipes with Hight Flow Sports Catalytic Converters). Google Search Search Forums BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Bmw b48 downpipe choices Google Search Search Forums BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > List of Available catted and catless downpipes. The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. 5" vs 5" catless downpipe Google Search Search Forums This is one of the highest-efficiency downpipes worldwide. 99 + VRSF Racing Downpipes for V8 N63R 2017 – 2021 BMW M550i, 750i, 850i, X5 M50i, X6 Jul 7, 2016 · These downpipes feature a cast merge collector that offers a smooth transition from the 3. instagram. Catless for faster and louder spool. Sep 23, 2022 · Out now: Our all-new high flow catted downpipes for the 2021+ BMW G8X M3 & M4. Aug 26, 2021 · Today I review a VRSF Catless Downpipe on my BMW G20 330i. I talk about how much it costs, the benefits, the cons and if I recommend it. If you want the power, with no fuel smell and a slight upgrade in exhaust tone catted is the way to go Jul 13, 2023 · Best Catted Downpipe F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 I don't want to go catless but what other high-flow downpipes should I look Nov 14, 2022 · Some people contacted me asking if I was saying as part of this post’s conclusions that there is no benefit from a catless downpipe. Made with full 304 Stainless Steel and 3" construction, these downpipes provide a significant increase in power and torque over the OEM catted downpipes. VRSF Catless & Catted BMW X4 M40i & M40iX N55 Stainless Steel Down Pipe. *Fits all Gen 1 and Gen2 B58s (and supra)* Introducing the BimmerNetwork B58 High Flow Catless downpipe. Catless downpipes are one of the best mods for performance you can do to your N54. 93 out of 5 based on 14 customer ratings I have a race catted Downpipe from active autowerke that was advertised CEL free guaranteed. Sep 21, 2022 · I would opt for high flow catted vs catless. Expect about 10-15whp for catted downpipes. An aftermarket downpipe can be categorised into two types: catted and catless. “No Hassle” satisfaction guarantee. What do you think sounds better? Aug 3, 2020 · Hey guys I am wondering how catted downpipes sound on the M5. However, they are not legal in every region due to sound and emission laws. By replacing the factory downpipe/catalytic converter with our Sports Series High Flow Metallic Catted Downpipe, more power is unleashed! We use a 200 cell metallic core for our Sports Series High Flow Catted Downpipes. Use our SEARCH BY MODEL feature to filter these items for your BMW. However, this post is primarily focused on catless options as they offer the best bang for the buck. I have an mst intake & bm3 stage 1! Apr 3, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright VRSF Catless & Catted 3. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options. There's a ton of conflicting info on the web regarding catless vs catted DP's especially for novices like me but your rational makes a lot of sense. Learn how these components impact your vehicle's performance and emissions. All VRSF downpipes are hand crafted from SS304 grade stainless steel and include a lifetime warranty as well as our “No Hassle” satisfaction guarantee (includes fitment). The stock cats are really good. LOUD AF with valves open Raspy S55 noises Smelly Zero restriction = fast Check engine light Won’t pass emissions I am going to swap out to high flow, resonated catted downpipes to reduce stank and be a bit more environmentally friendly, and go for a single midpipe. Catless: The choice between a catted and catless downpipe can influence fuel consumption, but the difference is often minimal. 4L V8 Twin-Turbo powered 650i allows you to take your N63/N63TU engine to the next level. The most popular N54 and N55 downpipes do not have mounting brackets and there are even less mounting points for the catback whereas the B58 has BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Best Downpipe For B58 Google Search Search Forums Apr 27, 2024 · Catted (high flow): Good ones won't trigger the CEL, and have marginally less performance than catless. The catalyst is like a sponge that absorbs a lot of that higher pitched rasp, a resonator is a straight through piece of pipe with some Went with catless on my F10 535i Unfortunately if you daily the car the smell is quite unpleasant (feels like/worse than a diesel). I would like to get catless but I'm worried about the smell so I am thinking about doing catted. high-flow cat debate is a hot topic in the automotive world. Any chime in on their experience with catted downpipes ? Cheers Yes I have looked around but doesn't seem like anyone does catted. 9648, email us, or live chat for expert Note: While we do offer a lifetime warranty on the downpipes, we only offer a 1 year warranty on the ceramic coating and high flow cat. How is emissions done in your state? Jul 7, 2021 · OEM downpipes are always connected to catalytic converters because that’s the standard they have to follow. co I'm looking at the VRSF B58 catless and high flow catted Downpipe. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Go catless. Yea, there's also a lot that goes into sound differences. N54 downpipe mods are really only intended for off-road use. Don't overthink it. I'm running catless downpipes with stock catted midpipe and I only get a gas smell when I'm idling in my garage. for something spinning at 10 of thousands of rpms. Sep 17, 2023 · There is no power difference on stock cars between catless and high-flow catted. VRSF BMW X4 M40i & M40iX N55 Stainless Steel Down Pipe Upgrade Made from mandrel bent, tig welded 304 grade stainless steel. What’s Better: Catted Or Catless Downpipe. Similar to sound is the smell, with a catted DP you still get a little bit of the gas smell but catless will be stronger. Understanding Downpipes and Fuel Consumption Apr 2, 2020 · When your turbo dumps a bunch of air into the downpipe, but the downpipe is restrictive, the air bounces back from the downpipe to the turbo. Check it out. Feb 2, 2023 · FITMENT REVISED This is one of the highest-efficiency downpipes worldwide. Even… The CTS Turbo downpipe for the BMW B46 North American Market vehicles is made to maximize exhaust flow for the highest power gains. If you look into the stock downpipe, you can't even see light come through the other side. 5″ / 4. Anyone have suggestions on doing catted downpipes vs catless - I was told on this forum there are some issues doing catless with o2 sensors etc and obvious emissions. I test drove a 540I with MPE & thought it sounded amazing except on the highway cruising speed it would be a continuous hummmm almost like drone to me. 0″ N55 Stainless Steel Down Pipe Made from hand crafted, tig welded 304 grade stainless steel. facebook. Catless is louder than both but also raspy and generates a fuel smell. If you live in a place where emissions testing is required Nov 9, 2012 · BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Catted vs Catless Downpipes Google Search The BMW N54 market is clear proof that the bracket is simply another over engineered inclusion from BMW in order to make it easier for techs to align the downpipe with the turbo and catback. Sep 12, 2024 · Among the best bolt-on upgrades are a set of catless or high-flow catted downpipes. An N20 downpipe Description. gofundme. The B48 downpipe fits the BMW 120I 125I 220I 230I 320I 330E 330I 420I 430I 520I 530I 530E 630I 730I 740E X3 X4 20I 30i F40 M135I X1 F48 X2 F39 MINI F54 F55 F56 F57 F60 COOPER S JCW Now. the power gains from nonOEM exhaust systems come from reduced backpressure - the engine no longer has to Aug 25, 2019 · Catless downpipe? Jump to Latest 8. com/f/help-restore-cameron-lillys-totaled-honda-s2000?utm_campaign=p_cp_url& This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains. Oct 5, 2020 · For a quick answer, catted downpipe is better than catless downpipe if you are driving on the street – especially if the car is a daily driver. BMW 335/135 Catted Downpipes (High-Flow) ((RHD Model)- The price is on the higher side at $950. However, catless downpipes do have a significant pitfall for some. B58 Catless vs. Keep me updated once you get the catted downpipe. A catless downpipe is one that is not fitted with a catalytic converter. com/CameronsCars93/GoFundMe: https://www. The 5" versions will give the CEL, and sound horrible (boomy raspy sound). 2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic https://www. For more information about the BMW N63 engine including engine specs, common problems, and popular modifications, take a look at our dedicated BMW N63 Engine Page . At 3. Catted vs. Even FIA events are required I think the catted downpipe might be what I'm after. Most catted downpipes come with a “high flow sports cat”, which are less restrictive catalytic converters that allow for improved performance while still passing emission tests. Discover performance benefits and sound changes. VRSF 4. 5" turbo side to the 2. In this guide, we discuss S58 downpipe upgrades including power gains, sound, catless vs high-flow, and more. 5″ Race Downpipe for BMW B58 1 Catted downpipes vs catless downpipes - Page 2. VRSF Racing Downpipes B48 G & F Chassis 2016 – 2021 BMW 120i, 220i, 230i, 320i, 330e, 330i, 420i, 430i, 630i, 730i & xDrive SKU: 10302075 Rated 4. The Nov 19, 2023 · Power difference between a catted down pipe that will not throw a CEL vs catless is single digit HP. We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. 99 + Feb 19, 2025 · We are proud to introduce our VRSF Race Down Pipe for your N20 & N26 BMW. Do not compromise performance and sound with factory parts – unleash your BMW’s potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your Read More "CTS Turbo BMW F2X/F3X/G20/G30 230i/330i/430i/530i & xDrive Jul 18, 2021 · Catless downpipe can help you gain 50 additional horsepower with tuning - this is slightly more than a regular catted downpipe. By replacing the factory downpipe/catalytic converter with our Sports Series High Flow Metallic Catted Downpipe, more power is unleashed! Our Sport Series High Flow Catted Downpipes is constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping. Upgraded downpipes help reduce backpressure and improve turbo spool, which results in impressive performance gains. On a rear wheel drive, that should keep things lively enough Need to keep things legal, so catless isn't on the cards sadly. Made with full 304 Stainless No cats equals more power faster because of less exhaust restrictions. May 12, 2021 · Both catless and high-flow catted downpipes are generally illegal. if driving like that Catted downpipes are 100% pointless. BUSINESS HOURS 7am-5pm Pacific Time Feb 15, 2024 · For example, I went from a catted downpipe with cat back exhaust on my GTI to a catless resonated downpipe with the stock exhaust. Discover the key differences between catted and catless downpipes for your BMW. High Flow Catted Vs Catless Yes, a catless downpipe will sound noticeably more aggressive. I just want a little more sound when I go wide open throttle. Oct 8, 2023 · I’ve got MAD catted downpipes and love them personally Paired with their single midpipe and it sounds great. Jan 7, 2014 · Downpipe question cattles vs catted Jump to Latest 1K views 7 replies 5 participants last post by zutal Jan 8, 2014 Nov 5, 2023 · Sound clip differences between catless and catted downpipes. You can see light coming through at a certain angle. Anyone is welcome! Members Online. Catted or Catless Downpipes: Pros and Cons. I'm torn between a few options: MAD Catted Downpipe (around $400), Catless Downpipe (around $250-300), and Active Autowerke Catted Downpipe (around $1,500). Smooth radius bends to decrease turbulence and increase flow. E81 Welcome to our exhaust sound demonstration! In this video, we show off our 2023 BMW M340i by comparing the stock exhaust system to the upgraded Active Autowe Sep 25, 2024 · Catless vs Catted Downpipes Catless downpipes don't have a catalytic converter that ensures maximum exhaust flow and boosted performance. We've also included the option for a Magnaflow high flow race cat. Similar to it's brother the N55, the N20 has a stock downpipe with a catalyst that drastically restricts exhaust flow. Catless downpipes allow engine exhaust to flow without any restrictions and rely on the high-flow catalytic converter for pollution control, while high-flow cats restrict engine exhaust to reduce noise and emissions. Even deeper tones, even better sound, and improved turbo spool. The catted option is better for the stock turbo; it's louder than stock but not raspy and has a deeper mid-range tone. Going catless over the stock downpipes can yield gains of 25+ horsepower. It was $1400 for just the pipe the exhaust system starts after the turbine wheel, so your downpipe is the first piece (arguably it includes the headers & turbine, but we'll just call that part of the forced induction system) of the exhaust, then the cats, then the piping. So it’s definitely possible. However, in exchange for that power, catless downpipe is not legal and will not pass the emissions test. This downpipe is THE best bang for the buck mod available. Catless downpipes might be more susceptible to heat and exhaust gas damage. Then consider the quality. From: $ 569. Appreciate 0 Nov 6, 2019 · 2017 Q50 RS AWD, AMS Intake, AMS Heat Exchanger, AMS High Pressure Fuel Pump, AMS Low Pressure Fuel Pump, AMS Downpipes, AMS Flex Fluel Kit, AMS Auxiliary Intercooler Tank, AMS Coolant Expansion Tank, MotorDyne Exhaust, HKS BOV Kit, EcuTeK 92 octane tune, Mishimoto Oil Catch Can, Z1 2-Piece Akebono brakes, Akebono Slotted Roters, StopTech Street Performance brake pads, Vertini VS01 19x9. There is still some smell, but significantly better compared to catless setup. Both options have their pros and cons, and the best choice ultimately depends on your specific needs and goals. Suitable for BMW/Toyota B58 3. Bringing even more performance & exciting exhaust sounds to your vehicle. Having either your primary or secondary cats should heavily reduce the smell. 1. They are 100% TIG welded by our in house fabricators and built in the USA. 5″ G20/G22/G26 B58 Stainless Steel Downpipe I'm sorry for the confusion, our current catted N55 downpipe offers cel free operation for the majority of members who stay under 450whp. Suitable for BMW/Toyota B58 3. My original choice was actually Active Autowerke due to their 5" internal diameter popularity but it was backordered and the vendor wasn't sure when it would be back in stock. Purchasing a VRSF downpipe comes with peace Feb 20, 2025 · The durability of catted and catless downpipes can vary. evkf gyfnrzh kloht tpxpw wswj ufze rnn uuqye gyze bykxkxcu pzna lgnet nncff aeiupeh uyzkm