Downpipe w Cat (SS) was tested and developed together with Evolution Line (Titanium) exhaust system. Additionally, this guide is relevant for all Z4s and X-series BMWs with the B58 engine, however, the products we link to will not fit these vehicles. just for comparison: if catless DP gives you +50% sound and catted DP gives you +35%, a catback or axleback exhaust will only give maybe 15% at most, probably more like 10%. There is a pretty significant price difference in the 2 in my opinion top brands for catted downpipes. Works in the morning, commute home I get a lower O2 CEL. VRSF is the best bang-for-the-buck manufacturer in the BMW community. This bounce back creates resistance for the turbo compressor, which reduces spool. Honestly the best part of all is that the turbo spool time is quicker and has made the car an absolute joy to drive - so much more responsive at low RPMs. Shipping calculated at checkout. PURCHASE OF THIS PRODUCT REQUIRES COMPLETION OF THIS WAIVER. Smell Catted downpipe causes a slight fume smell from the exhaust. N54s come stock with diverter valves, mounted, Read More How to Prevent N54 Chargepipe FailureContinue, BMWs B58 began production in 2015 and was initially released in 2016 40i models. Thats because cat-back exhaust systems and expensive and dont really provide any power benefit. VRSF 4.5 G20/G22/G26 B58 Stainless Steel Downpipe Made from hand crafted, tig welded 4.5 304 grade stainless steel. On the B58, the catalytic converter is housed inside of the downpipe. Please note that the warranty on the catted downpipe is limited to two years. While just upgrading your downpipe will still provide a meaningful power increase, the benefit is amplified when used in conjunction with other modifications. For Sale. BMW M240i (B58) Downpipes BMW M240i (B58) Downpipes Sort By: SALE MAD B58 Downpipe for 2016+ BMW M240i 340i 440i F and G Chassis $339.00 $269.00 Choose Options Compare SALE Akrapovic DownPipe w/ Cat for 2016-2017 BMW 340i 440i & M240i (F30 F31 F32) DP-BM/SS/5/H $2,733.62 $2,725.00 Choose Options Compare SALE CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY. Zach graduated from the University of Colorado Boulder in 2016 and lives in Aurora, CO. Find many great new & used options and get the best deals for MTC MOTORSPORT BMW 340i 440i B58 DOWNPIPE 200 CELL HI-FLOW SPORT CAT HEAT SHIELD at the best online prices at eBay! The TU1 update is mostly intended to improve emissions. REDSTAR EXHAUST downpipe for The BMW B58 REDSTAR EXHAUST downpipe for The BMW B58 Engine. 10-15whp. Menu. Additionally, they offer a high-flow option which is half the price of other comparable high flow DPs on the market. That wont play well with my wife. Trying to work out what is the best Downpipe for an M240i G42 Are all F series B58 catalytic down pipes suitable for a G series? Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. 1,050. Interesting I guess each to their own. The 200 cell DP requires mods to prevent the CEL. On the B58, the most common meth injection option is injecting the meth into the intake system directly through the chargepipe. 702. VRSF N55 Downpipe Upgrade We are proud to introduce our VRSF catless & catted downpipe for your N55 BMW. FREE SHIPPING IN US We are proud to introduce our VRSF catless & catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. They are also known as one of the most distinguished engine manufacturers in the world. I currently have the bootmod tunning and its great, but kind of afraid to take the plunge in the other parts as no one mentions the 740i. On the flip side, the lower pressure after the turbo, the faster the air can get out of the way. is the best, and I personally wouldn't have anyone else tune my car. Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. On a stock B58, or even a tuned one running 20+ psi, the stock chargepipe is strong enough to not need upgrading. When your B58 brings in more air than it can push out, you create a ton of turbo back-pressure which is bad for turbo spool, power, and performance. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our race or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust note. Obviously, some people prefer the louder the better but thats not everybody. Only fits cars without GPF/OPF. Above 26psi of boost, you should probably be running meth injection in which case you will need an upgraded chargepipe. Do not compromise performance and sound with factory parts - unleash your BMW's potential! Upgrade to the MAD BMW / Toyota Supra B58 downpipe to eliminate the backpressure caused by your stock catalytic converters. An upgraded intake is the building block to further modification as it provides the engine with the additional air capacity needed for high-horsepower applications. Warranties only apply to the original owner. Best Downpipe For B58 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 Post Reply Thread Tools Search this Thread Post Reply Bookmarks StumbleUpon del.icio.us My Yahoo! Any feedback on ER catted dp? Required fields are marked *. With an air intake, you are now sucking a lot more air into the car. Made in Germany. For more information go towww.P65Warnings.ca.gov. Thank you for publishing that. Your email address will not be published. Buy Here: Masata B58 Chargepipe F-Series. BMW M3 G80 M4 G82 downpipes. Apologies for my past post without the spell check. With a catless downpipe, you can expect to gain 25 horsepower without tuning and 50 horsepower with tuning. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. Products. It's decently priced cheap and fits great. Rate On the N54 and N55 engine, the chargepipe is attached to the engine and the intercooler. Please keep in mind that VRSF and Akra are also the only two brands who offer an investment cast, stainless steel v-band flange to pipe transition which is incredibly expensive to design and develop. Horsepower Gain From Catless Downpipe. The ARM N55 Downpipe starts with a 4" diameter at the precision CNC machined turbo v-band connection and gradually reduces to a flared joint to optimize exhaust flow while matching up to the stock midpipe v-band connection perfectly. bmw m240i downpipe f22 f23. Available with a 200 cell high flow cat. This product is not for use on public Roads or Highways. For the best experience on our site, be sure to turn on Javascript in your browser. Welcome back. Our new Competition Series 4.5" Downpipes for your 2016+ 340i (F30 Chassis) six cylinder B58 turbo engine! Average This downpipe is available in both catless (race) & catted configuration. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. It can be reset through OBDII, but just comes back. This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains. My VSRF catted tosses codes every single time the temps are above 20C / 70F. Optimized design, and provides a huge increase in exhaust flow Tweet Share Google+ Pinterest Print $465.00 Quantity: High Flow Catalyst: Competition (Catless) GESI GEN1.5 UHO 300cpsi 4.5" GESI GEN2 UHO+ 400cpsi 5" HJS HD 200cpsi 121mm Maps. He, alongside Jake, is the founder of 8020 Media and has been one of the primary authors behind DieselIQ, BMWTuning, and TuningPro. Our goal at VRSF is to offer the utmost in quality for the most affordable price. The downpipe attaches to the turbo and begins the exit flow of exhaust gases. Smooth radius bends to decrease turbulence and increase flow. I bought a 2018 440i in March of this year, after really looking into B58 reliability. More specifically: an upgraded air intake, and a tune. You'd pick JB4/MHD BEF combo over a Pure Stage 2 OTS tune that is being worked on in conjunction with Pure Turbos themselves? : 500001027 Please choose the model you want first. Fits RHD and LHD models with no modification necessary. View. Masata is our brand of choice for non-US folks. This downpipe is available in both race & catted configuration. Also the hp and torque you get from simply getting a downpipe and tune is insane, if you throw in ethanol then it's game over to absolutely anyone. Our BMW downpipes are the best bang for your buck mod available for your B58 engine, with gains from 50 Horsepower and 60 Torque when tuned. We are hoping to soon add an F80 M3 and F82 M4 GTS. Catless will provide the most power and the lowest price, but you run into emissions testing issues. . Upgrade from the stock B58 downpipe to the MAD B58 catless downpipe for maximum airflow, power, and sound! Meth injection is the process of spraying a mixture of water/alcohol/methanol into your air intake system as a way to both reduce air temperatures and increase fueling and octane. We also offer a Polished Finish as an option. This is for there 2020 M40i B58. Despite the chargepipe still being manufactured from plastic, there is one key difference responsible for the improved reliability. Made from hand crafted, tig welded 4.5 304 grade stainless steel. Ive read plenty of times of people who went the catless route and it turned out to be way too loud. Thanks! Login/Register. Maybe they simply do not care. Hey thanks B58 . much appreciated. Power comes in earlier and turbo spool-up is significantly improved. All Rights Reserved. This downpipe will fit the following models with a B58 engine: BMW M140i 2016+ F20 and F21 and xDrive BMW M240i 2016+ F22 and xDrive BMW 340i 2016+ F30 F31 and xDrive BMW 440i 2016+ F32 F33 F36 and xDrive I'm looking for "go" performance (I have M brakes up front with Porterfield racing pads all around, and Castrol SRF brake fluid), with R888 tires. Happy wife, happy life My garage is attached to the house and I am sure it will stink up the garage when I start and even get in to the house. A catted downpipe can cost around $350 and up. If youre in the market for a, Read More BMW B58 BM3 Tuning Guide Info & Horsepower GainsContinue, WhhhhhhhhhPssssshhhhhhhhhh! I had the same challenge with Porterfield . they had to design and make up pads for 2018. Plus really good reliability. In instances where these engines were running a tune and above-stock boost levels, the chargepipe would almost always fail. However, in our experience, we havent noticed any considerable increase in sound on warm idle or normal cruising/DD. I emailed them and am awaiting a response. Project Gamma downpipes for the B58 engines feature a 4" construction along with a stainless steel v-band to pipe transition that is machined with CNC to precision. Performance Downpipe for B58 240i/340i/440i Decor. Great article, but i dont want ot be leftout, which of these would fit the 2017 740i. Masata has two chargepipes that fit the B58, one with a single meth bung that fits all G-Series cars and one with two meth bungs that fits all F-Series cars. Oct 18, 2016 9,272 4,282 0 AZ Ride 2009 E93 335i Jan 8, 2020 . Superior quality. Aside from the high-flow, can you offer a list of mods for the B58 for residents of California, where emissions are a huge deal? which one would you recommend ? . Excellent sound. With all required hardware and a lifetime warranty, the VRSF B58 chargepipe is the best bang-for-the-buck chargepipes on the market at only $220. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Property. Akrapovic, FI, Gintani, Eisenmann, and Active are the only ones who utilize it. Our downpipe features a full 4.5 stainless steel design as well as a CNC 304 grade stainless steel flange that offers a smooth transition from the turbo to the mid pipes. B58s are reliable by any standards. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance. Stage 2 software is required to avoid check engine light. 100 cell catted downpipe XDI35 HPFP . The short answer is no. This is what I roll with (track days - Fontana, Big Willow, Chuckwalla), and its a daily driver and love it. Masata is a UK based manufacturer of chargepipes and other BMW performance parts. X-ph is always amazing to deal with. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. These extremely robustconverters allow you to achieve flow numbers close to straight pipeswhile meeting strict Euro 6 emissions standards. While the original E30 M3 didnt quite satisfy the, Read More BMW M3 vs M5 G80 vs F90 ComparisonContinue, When it comes to historic car manufacturer partnerships, Mercedes and McLaren, Toyota and Subaru, and Shelby and Ford are likely to come to mind first. Overall, we recommend upgrading your B58 chargepipe when you are planning to add meth injection, or if you are upgrading your turbocharger and shooting for 26+psi boost levels. Thehigh-flowdownpipe is constructed using high-qualitystainless steeland, once fitted to the Evolution Line exhaust, it creates a complete system from the manifold to the tailpipes that will further enhance the performance figures: both the torque and power outputs. Our goal at VRSF is to offer the utmost in quality for the most affordable price. Please call for product-specific information. We will also be writing a, Read More BMW N54 Single Turbo Guide for 135i 335iContinue, The BMW M Division is known for creating some of the best-performance sedans in history. VRSF Lifetime Warranty for race versions, 1 year warranty for high flow catted versions. When it comes to exhaust systems on turbocharged vehicles, specifically BMW turbo vehicles, everyone talks about the downpipe instead of the traditional cat-back system that people are most familiar with upgrading. Fits the stock catback as well as all aftermarket catbacks. Back pressure is significantly reduced by eliminating the restrictive catalytic converter . Thanks for the informative article. The BMW, If you want to search for a specific topic use the following keys: Windows: Ctrl + F Mac: Command + F Well break this B58 FAQ guide into the following sections: General B58 Info B58 Standard Maintenance Common B58 Problems & Reliability B58 Tuning & Mods *We will likely continue adding to this post over. Regular price. Once you create your account your order will update with the appropriate shipping cost. In modern times, they are known for making well-performing cars that lay just outside of reach for most people. These pipes are polished to a mirror finish with a modern and sleek design designed in-house. That isnt even debatable. Earn Reward Points: 408. We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. Jobs. No CEL, no O2 spacers needed. You could extend the article by saying something about the difference between 200 cell and 300 cell catted DPs as well as by presenting various downpipe options for B58 witih a list of pros and cons for each. BMS had been running 26psi on one of their B58s without any chargepipe issues. Price: $220Link to buy: VRSF BMW B58 Chargepipe Upgrades. We are stopping production of our downpipes due to pricing undercuts in the industry. F101 19720 94A Ave,Langley, British ColumbiaV1M 3B7, CTS Turbo 4.5 Catless Downpipe for BMW B58 1/2/3/4/5/7 Series RWD & XDrive All Generations, Precisely designed and tested on a real car in the real world, T304 stainless steel, TIG welded back-purged construction, Great power upgrade with uncompromising performance, Incredible sporty exhaust sound, subtle when cruising, 2016+ F32/F33/F36/G22/G23/G26 BMW 440i & 440i xDrive. AS-LOW-AS 0% APR THROUGH 2/28. View. Pro Tuning Freaks bm3 offers a web interface and mobile apps for simple flash tuning. By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. Please run a tune on your vehicle for the best results and to eliminate the check engine light. With zero other mods, a B58 with an upgraded downpipe will add approx. BMW B58 and A90/2020+ Toyota Supra B58 Stage 1/2 Modular Catless Downpipes by Twisted Tuning Sold out $350.00 $200.00 *****Currently Running an Overstock Sale on our Stage 1 single peice Downpipes. Catted downpipe is more expensive than catless downpipe because it needs to include an aftermarket CAT as well. In this B58 downpipe guide, were going to discuss the role of the downpipe, why upgrading it is important for tuned cars, what power benefits you can expect, and lastly, what our favorite product on the market is. Perfect This plug & play air intake system unlocks up to 8whp to the wheels from your F chassis B58 BMW engine. It manages a respectable 322-382hp and 332-369 lb-ft from the factory. We offer WORLDWIDE shipping. Regular price. Fits the stock cat back exhaust as well as all aftermarket cat back. Toyota Supra vs BMW Z4 How Are They Different? On a stock B58, youre not sucking enough air in for this to be a problem. Fits the stock cat back exhaust as well as all aftermarket cat back. The fuel system becomes restrictive as it cannot supply enough fuel to the engine to make big horsepower numbers. Im looking for go performance (I have M brakes up front with Porterfield racing pads all around, and Castrol SRF brake fluid), with R888 tires. The VRSF chargepipe increases throttle response and turbo spool, resulting in reduced turbo lag. Higher Max Horsepower Power Curve. However, outside of improved throttle response, an upgraded chargepipe really has very little performance benefit. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. 2013-2020 TAG Motorsports. . Customer Reviews. Made from hand crafted, tig welded 4.5 304 grade stainless steel. With this additional airflow, the B58 downpipe becomes even more restrictive and you start building a ton of post-turbo backpressure. Sourcing VRSF and other US brands internationally can be difficult and expensive due to import costs. Required fields are marked *. Gumtree. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. those will change the sound, but only minor increases in sound. . This is simply from better turbo spool and more efficient turbo performance. If you are looking for more noise go catless or do resonator delete. Does the 340i give an emissions warning light or affect warranty/servicing? Previous Thread | Next Thread All times are GMT -5. However, some may consider it a little lackluster by modern standards. BMW's B58 engine also provides a great balance of fuel economy and reliability. thanks. These downpipes are THE best bang for the buck mod available for your B58 and they're available in both race & high flow configurations. These two guides can be used in conjunction to help N54 owners decide on the ultimate upgraded turbo(s) setup. However, tuning for more, Read More BMW S55 Charge Pipe Upgrade Guide M2, M3, M4 ChargepipeContinue, Upgraded intakes are our first mod recommendation for people just getting into modding their BMWs, but also for people looking to push crazy horsepower. 2018 440i in March of this WAIVER enough air in for this to be too... Of your factory downpipe AZ Ride 2009 E93 335i Jan 8,.! The sound, but only minor increases in sound these pipes are Polished to a Finish... Ton of post-turbo backpressure upgrade we are proud to introduce our VRSF catless & amp catted... Of chargepipes and other US brands internationally can be difficult and expensive and dont really any... Is significantly improved faster the air can get out of the most common meth injection option injecting... Back purged to ensure years of reliable performance LHD models with no modification necessary folks... And reliability MAD B58 catless downpipe, your turbo can now spool and... On one of the way needed for high-horsepower applications well-performing cars that lay just outside of reach for people. Horsepower monster close to straight pipeswhile meeting strict Euro 6 emissions standards Turbos... Injecting the meth into the intake system unlocks up to 8whp to the MAD B58 catless for. The intercooler very little performance benefit you want first of boost, you are now sucking a more. The 322hp or 335hp B58, the chargepipe still being manufactured from T304 stainless steel obviously, people. Catted configuration amp ; play air intake, you are looking for more noise go catless or do delete! Perfect this plug & amp ; play air intake system directly through the chargepipe being... Power Pack ) models get the 355hp version the 340i give an emissions warning light or affect?. Post-Turbo backpressure designed using the latest in CAD technology ; this part made! Models get the 355hp version however, in our experience, we havent noticed any considerable increase sound. Az Ride 2009 E93 335i Jan 8, 2020 power, and Active are the ones... To be a problem we post engine specific tuning guides, DIY repairs, etc emissions testing.... Even a tuned one running 20+ psi, the chargepipe would almost fail! For a, read more BMW B58 engine also provides a great balance of fuel economy and reliability are! But just comes back plastic, there is a UK based manufacturer of chargepipes and other BMW parts! Turbo performance: VRSF BMW B58 chargepipe Upgrades of our downpipes due pricing... Factory parts - unleash your BMW & # x27 ; s potential on in conjunction to help owners! Want ot be leftout, which reduces spool ( SS ) was and! Youre not sucking enough air in for this to be a problem a stock B58, youre sucking... Engine and the intercooler and sleek design designed in-house ) models get the 355hp version without any chargepipe.!, resulting in reduced turbo lag cars that lay best downpipe for b58 outside of reach for most people turbo the... | Next Thread all times are GMT -5 upgrade to the turbo,. Market for a, read more BMW B58 BM3 tuning Guide Info & horsepower GainsContinue, WhhhhhhhhhPssssshhhhhhhhhh is! ; t have anyone else tune my car significantly improved engine, the pressure... Really has very little performance benefit those will change the sound, but just comes back significantly improved your for... Are Polished to a mirror Finish with a modern and sleek design designed in-house downpipe we... System becomes restrictive as it can not supply enough fuel to the engine and the lowest,! Option is injecting the meth into the car for the BMW B58 redstar exhaust downpipe for maximum airflow power... Single time the temps are above 20C / 70F upgrade to the MAD B58 catless downpipe because it to. Lackluster by modern standards is our brand of choice for non-US folks are they Different straight meeting! Ots tune that is being worked on in conjunction with other modifications known as one of their without! Maintenance guides, DIY repairs, etc factory BMW exhaust piping leaves HUGE room for impressive gains! A problem purged to ensure years of reliable performance provide you with you. This is simply from better turbo spool, resulting in reduced turbo lag the only ones who it. Sleek design designed in-house time the temps are above 20C / 70F stock... Morning, commute home I get a lower O2 CEL your turbo can now faster. Straight pipeswhile meeting strict Euro 6 emissions standards repairs, etc lower O2 CEL buy: VRSF BMW B58 exhaust! A web interface and mobile apps for simple flash tuning ( race ) & amp catted... With tuning these engines were running a tune and above-stock boost levels, the lower pressure the! Response, an upgraded chargepipe really has very little performance benefit other modifications ) get! On our site, be sure to turn on Javascript in your browser reduced by eliminating the restrictive converter! Directly through the chargepipe would almost always fail with the appropriate shipping.! High flow DPs on the B58 downpipe to the engine to make big horsepower numbers would the... Guides can be reset through OBDII, but I dont want ot be leftout, which of these would the... Upgrade we are hoping to soon add an F80 M3 and F82 M4 GTS system directly the. An emissions warning light or affect warranty/servicing Stage 2 software is required to check... Stainless steel: VRSF BMW B58 chargepipe Upgrades masata is a pretty significant price difference in industry! Create your account your order will update with the additional air capacity needed for high-horsepower applications the! These engines were running a tune and above-stock boost levels, the is! Ultimate upgraded turbo ( s ) setup the latest in CAD technology ; this part made! And it turned out to be way too loud, commute home I a. 500001027 please choose the model you want first engines were running a tune meth into car. Obviously, some may consider it a little lackluster by modern standards specific tuning guides, guides. Roads or Highways restrictive catalytic converter is housed inside of the most price..., we havent noticed any considerable increase in sound a lower O2 CEL,. Welded and back purged to ensure years of reliable performance B58 engine which spool... Any power benefit of reliable performance of these would fit the 2017 740i chargepipe is strong to... And LHD models with no modification necessary chargepipe still being manufactured from stainless..., youre not sucking enough air in for this to be a problem best downpipe for b58 50 with! To help N54 owners decide on the B58 downpipe to eliminate the backpressure caused by stock... Almost always fail maximum airflow, the catalytic converter two guides can be and! N55 BMW are the only ones who utilize it and expensive due to import.!, which reduces spool a tuned one running 20+ psi, the chargepipe still being manufactured from,... Includes a 2008 135i, 2007 335i, and 2008 535i amp ; catted configuration looking for more go. That lay just outside of improved throttle response and turbo spool-up is significantly.! Apologies for my past post without the spell check an upgraded chargepipe these engines were running a tune and boost... Also provides a great balance of fuel economy and reliability back pressure is significantly improved leaves. Plenty of times of people who went the catless route and it turned out to be too... And back purged to ensure years of reliable performance as it can reset! A high-flow option which is half the price of other comparable high flow catted versions guides, repairs. Lackluster by modern standards or even a tuned one running 20+ psi, the still. Manufactured from plastic, there is a UK based manufacturer of chargepipes other! You to achieve flow numbers close to straight pipeswhile meeting strict Euro emissions. Power benefit Series 4.5 & quot ; downpipes for your N55 BMW times! Lower O2 CEL perfectly in place of your factory downpipe 4.5 & ;! Turbo lag warranty for race versions, 1 year warranty for high flow catted versions strong enough to not upgrading! Chargepipe issues significant price difference in the industry, they are known for making well-performing cars that lay just of. Please run a tune and above-stock boost levels, the most affordable.! Thread | Next Thread all times are GMT -5 be used in conjunction with Pure Turbos?! Bms had been running 26psi on one of the downpipe attaches to the engine and lowest. Of choice for non-US folks parts - unleash your BMW & # x27 s. Times are GMT -5 and it turned out to be way too loud for maximum,! Stock BMW into a horsepower monster spool and more efficient turbo performance the 200 cell DP REQUIRES mods to the. Times, they are also known as one of their B58s without any chargepipe issues comes. For maximum airflow, the catalytic converter is housed inside of the way designed in-house brand of for. After really looking into B58 reliability not need upgrading can cost around $ 350 and up catless,. Meth into the car please choose the model you want first chargepipe would almost always fail impressive power gains benefit!, maintenance guides, DIY repairs, etc upgrading your downpipe will still provide a meaningful power increase the! Room for impressive power gains will need an upgraded intake is the best bang-for-the-buck manufacturer in the world the in. Obdii, but I dont want ot be leftout, which reduces spool ( )... Even more restrictive and you start building a ton of post-turbo backpressure more air into the intake system unlocks to... Dont want ot be leftout, which of these would fit the 2017 740i attaches to the MAD B58 downpipe!
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