Masata is a UK based manufacturer of chargepipes and other BMW performance parts. However, it, Read More The 5 Most Common BMW B58 Engine ProblemsContinue, BMW S65 V8 engines are in the 2008-2013 E90/E92 M3. The B58 chargepipe has so far proved to be extremely reliable. Very Poor, VRSF B58 Downpipe Upgrade 2016+ BMW M240i/340i/440i/540i/740i & xDrive, HKS Super SQV4 Universal Blow Off Valve 71008-AK001, Turbosmart GenV Race Port BOV (Black) With Female Flange for BMW N54, VRSF Turbo Inlet O-Rings for N55 135i, 335i & X1 Compatible with 10901055, VRSF Replacement Filters for GTR Intakes 2009 2018 Nissan GTR R35, VRSF Catted Downpipes for 2019 2022 BMW X3M & X4M S58 F97 F98, VRSF Racing Headers Porsche 2014 2019 991 GT3, 991.2 GT3, GT3 RS, 911R, VRSF Racing Downpipes N20 2015 2018 BMW X5 xDrive40e F15 10152030, TiAL Sport Blow Off Valve for BMW N54 Q 50mm BOV Silver 10 PSI Spring Q.10S. To pair your Downpipes with a ECU or TCU Tune we highly recommend Eurocharged. I've always had the ER catless and it's been great. I'm look for recommendations on the best catless downpipe for a 2018 340i B58M. Te koop; ARMASPEED intake voor Toyota Supra B58 Nieuwprijs = 790Nu = 590 of 1490 met stage 1 tune! Fits the stock cat back exhaust as well as all aftermarket cat back. Please note that the warranty on the catted downpipe is limited to one year. It incorporates asporty catalytic converter. +1 for ER though. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our high flow 200 cell r. We are proud to introduce our VRSF catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. Apologies for my past post without the spell check. Average I emailed them and am awaiting a response. You can say we are somewhat N54 fanatics. Fits RHD and LHD models with no modification necessary. Available with a 200 cell high flow cat (1 year warranty). Thanks for the informative article. However, it has proved extremely strong so far. VRSF is the best bang-for-the-buck manufacturer in the BMW community. Yes there is are other less known brands and even ones that are more expensive as well. On a stock B58, youre not sucking enough air in for this to be a problem. bmw m240i downpipe f22 f23. Less restriction = more power! 866.922.3059. Hey thanks B58 . much appreciated. The choice is totally up to you we run catless on our cars, but we dont live in California where they will crush it in front of you if they catch you. The answer to this problem is through either port injection or meth injection. JavaScript seems to be disabled in your browser. THE BEST DOWNPIPE PAIRED WITH B58 & REMUS MUFFLER?? Thanks for this guys! This downpipe is THE best bang for the buck mod available. I think user B58 had the 5" catted downpipe but recently switched to the 4.5" catless like the most of us. That wont play well with my wife. Dollar Value of Points: $4.08. With zero other mods, a B58 with an upgraded downpipe will add approx. This downpipe is available in both catless (race) & catted configuration. SUPPORT. Brand: ES#: 4460574 Mfg#: 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? On a stock B58, or even a tuned one running 20+ psi, the stock chargepipe is strong enough to not need upgrading. On the B58, the catalytic converter is housed inside of the downpipe. Thanks team, do you know if the high flow cat might keep the warning light away? They sound great, but were bargain performance guys here! (+-410 pk's en 600 Nm) The Supra intake for the 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. Back pressure is significantly reduced by eliminating the restrictive catalytic converter . Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. This optional downpipe produces anenhanced soundthat delivers apure racing emotionand fantastic feedback at high revs, without unwanted drone, making it suitable for everyday use. Thats because cat-back exhaust systems and expensive and dont really provide any power benefit. While just upgrading your downpipe will still provide a meaningful power increase, the benefit is amplified when used in conjunction with other modifications. Details TAG Motorsports is pleased to offer the Akrapovic Akrapovic Catted Downpipe for B58 applications, including the G2X BMW M340i / M440i and A90 Toyota Supra. I had the same challenge with Porterfield . they had to design and make up pads for 2018. Services. 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? Most of the people who opt to upgrade their chargepipe on the B58 are upgrading it for the purposes of running meth injection. Pro Tuning Freaks bm3 offers a web interface and mobile apps for simple flash tuning. Not that bad Fits RHD and LHD models with no modification necessary. 6. My Orders; My Coins; Message Center I have a jb4 on map 2 and a agency power intake with the stock cat. AS-LOW-AS 0% APR THROUGH 2/28. The pipe has a 1/8 bung for meth/water injection, leak testing, or to serve as a boost source. Catless downpipe is cheaper because it does not have any CAT. 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. View. Maps. While an upgraded B58 chargepipe isnt really needed in most applications, you may want one for meth injection, piece of mind, or the small throttle response benefit. On the flip side, the lower pressure after the turbo, the faster the air can get out of the way. One thing Id have to disagree with is the point on the exhuast note. This downpipe is available in both catless (race) & catted configuration. bmw m240i downpipe for OPF GPF models. We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. The 4.5 full mandrel bent downpipe is the best performing and most durable on the market. This product is not for use on public Roads or Highways. The downpipes will come by default in Brushed Finish. Regular price. In addition to the extra power throttle response, turbo spool, and sound are dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. With a catless downpipe, you can expect to gain 25 horsepower without tuning and 50 horsepower with tuning. Save my name, email, and website in this browser for the next time I comment. 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). TAG Motorsports is pleased to offer theAkrapovic Akrapovic Catted Downpipe for B58 applications, including the G2X BMW M340i / M440i and A90 Toyota Supra. Fits the stock catback as well as all aftermarket catbacks. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. The long gradual transitions within the mandrel bent pipe allows exhaust gasses to maintain velocity without a buildup of back pressure inside of the system. Regular price. Making the perfect decor for your home or garage. I just ordered a ER catted from Mike. guys what do you think about the Armytrix downpipe + HCP tune stage 1 + removing the catalytic befor the resenator + Air intake + HPFP. The chargepipe being connected to a moving and non-moving part would cause it to flex which would then put stress on the plastic causing it to crack and break easily from the high pressure. I keep comparing the engine bay setup with the 540 and it would seem its the same setup. Looking to daily drive it, B58 Turbo Engine / Drivetrain / Exhaust Modifications, https://www.hstuning.com/42-draft-deor-spacer.html. Zach graduated from the University of Colorado Boulder in 2016 and lives in Aurora, CO. This product is notcertified and may not be legal for use on emissions controlled vehicles inany country/jurisdiction. Once you create your account your order will update with the appropriate shipping cost. We've got the highest quality, result-producing BMW downpipes options available. Superior quality. Additionally, its a great bang-for-the-buck mod if, Read More BMW N20 Upgraded Intake GuideContinue, Your email address will not be published. and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, BMW B58 BM3 Tuning Guide Info & Horsepower Gains, The 5 Most Common BMW B58 Engine Problems. Rate 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. Months Please visit theirwebsiteor call+1-713-462-1600to purchase. 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? Do not compromise performance and sound with factory parts - unleash your BMW's potential! 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. Downpipe w Cat (SS) was tested and developed together with Evolution Line (Titanium) exhaust system. Im look for recommendations on the best catless downpipe for a 2018 340i B58M. The ARM N55 Downpipe features two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Downpipe w Cat (SS) was tested and developed together with Evolution Line (Titanium) exhaust system. Reactions: Twisted Tuning and Nugs. Earn Reward Points: 408. Unfortunately, there are really no performance benefits to upgrading your B58 chargepipe. 2013-2020 TAG Motorsports. You just have to be aware that only an 300 cells DP is a replacement without issues. The ARM B58 Downpipe then gradually reduces to a 3.1" diameter before the flex section. These downpipes are THE best bang for the buck mod available for your B58 and theyre available in both race & high flow configurations. These pipes are polished to a mirror finish with a modern and sleek design designed in-house. On the B58, the most common meth injection option is injecting the meth into the intake system directly through the chargepipe. 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. Weve always found catless DPs to add quite a bit of noise to cold starts and a deeper, aggressive note under heavy throttle. This plug & play air intake system unlocks up to 8whp to the wheels from your F chassis B58 BMW engine. The ARM B58 Downpipe is built with SS304 stainless steel and backed by the ARM Motorsports Lifetime Warranty . 702. . . Call us at 877.639.9648, email us, or live chat for expert assistance. Our new Competition Series 4.5" Downpipes for your 2016+ 340i (F30 Chassis) six cylinder B58 turbo engine! I was going for power and throttle response more than noise. guys what do you think about the Armytrix downpipe + HCP tune stage 1 + removing the catalytic befor the resenator + Air intake upgrade + HPFP upgrade for 340i 2017 ??? Generally, I would expect to gain 15-20% horsepower by using an aftermarket catless downpipe. 06BM015 - BMW F22 M240i B58 Downpipe TECHNIX - All-Parts. Required fields are marked *. We are proud to introduce our VRSF race & catted downpipe for your G20 B58 M340i & xDrive variants. 12 On top of that, if you are running a tune such as MHD or the JB4, you are requiring even more air flow as the turbo needs excess air to compress it to higher pressure levels (psi). I emailed them and am awaiting a response. 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 Gumtree. The two predecessors to the B58, the N54 and N55, were notorious for busting chargepipes left and right. Please call for product-specific information. 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. Lots of good points here. VRSF Lifetime Warranty for race versions, 1 year warranty for high flow catted versions. Who is the go to guy for custom B58 MHD tunes? I like catted. Customer Service / Shop Account Inquiries, Faster spool upand better throttle response, Highest quality 2.0mm wall 304 stainless steel. Home Shop EXHAUST TURBO DISCHARGE CTS Turbo 4.5 Catless Downpipe for BMW B58 1/2/3/4/5/7 Series RWD & XDrive All Generations, I understand this product is sold for competition use and is not legal for use in highway or street vehicles. One question what are the numbers you quote based on specs or real life dyno measurements? Welcome back. 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%. In the US, the manufacturer technically has to prove the aftermarket parts caused the failure in question, which probably isnt hard to do when you have an exhaust component thats illegal in most (if not all) of the US. Need help finding Downpipes for your BMW? Smooth radius bends to decrease turbulence and increase flow. Not that bad This incredible 4.0L engine is able to rev well beyond 8,000 RPMs and delivers 414 horsepower. Sourcing VRSF and other US brands internationally can be difficult and expensive due to import costs. Please, ask us for details and availability. Though bootmod3 (bm3) is a newer flash tuning option they have quickly become one of the most popular BMW tunes. Join our newsletter for the latest product releases and sales announcements! Qty. Warranties only apply to the original owner. As Im thinking of just the air pod and down pipe for now and love noise and bang for bucks. Performance Downpipe for B58 240i/340i/440i Decor. 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. 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. Made from hand crafted, tig welded 4.5 304 grade stainless steel. This is what I roll with (track days - Fontana, Big Willow, Chuckwalla), and its a daily driver and love it. JB4_B58 is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications. B58 High-Flow Catted Downpipe Increase your BMW's power potential by eliminating exhaust flow restriction Brand: ES#: 4509027 Mfg#: DP-B58-F3X-CAT Qty: Availability: Ships in 8 Business Days $1099.99 Add to Cart Hi-Flow Sports Catted Downpipes Motorsport pedigree. Sign Out. We offer WORLDWIDE shipping. MyFiveC3nts 2 yr. ago. The most reputed converters for their outstanding characteristics, quality and durability. I got a catless dp on my Supra now and yeah. This guide is going to discuss whether or not chargepipe upgrades are required for the B58, how much boost the chargepipe can handle, and whether or not there are any performance benefits from upgrading the chargepipe. Excellent sound. Product Description. OPTIONS They don't offer anything newer than 2016 340i. Not legal for use on pollution controlled vehicles upon public road/highways. The long gradual transitions within the mandrel bent pipe allows exhaust gasses to maintain velocity without a buildup of back pressure inside of the system. Stage 2 software is required to avoid check engine light. You can say we are somewhat N54 fanatics. hey there ive been looking around because im unsure wether you need a tune with a catless downpipe on a b58. CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY. Thank you for publishing that. We are proud to introduce our VRSF race & high flow catted downpipe for your B58 M240i, 340i, 440i, 540i, 740i & xDrive variants. Use our free callback service We also have the catted Akrapovic downpipe in stock as well if you're interested in that. 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. Cars & Vehicles. Required fields are marked *. The quicker these gases are evacuated, the better. B58 High-Flow Catted Downpipe Increase your BMW's power potential by eliminating exhaust flow restriction Brand: ES#: 4509031 Mfg#: DP-B58-G2X-CAT Qty: Availability: Ships in 1-3 days $1199.99 Add to Cart Free Shipping on orders $59 and up Racing Dynamics Catted Downpipe Free up your exhaust system and add more power! This bounce back creates resistance for the turbo compressor, which reduces spool. Above 26psi of boost, you should probably be running meth injection in which case you will need an upgraded chargepipe. Works in the morning, commute home I get a lower O2 CEL. It wont bother me, however my wife complained about my old forester XT that was catless. X-ph is always amazing to deal with. Akrapovic, FI, Gintani, Eisenmann, and Active are the only ones who utilize it. The TU1 update is mostly intended to improve emissions. Horsepower Gain From Catless Downpipe. 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. My 435i has all VRSF aftermarket parts: inter cooler, charge pipe and down pipe. Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with Weve only heard of a handful of people busting their chargepipes on the B58, and most are people running serious boost on an upgraded turbo. This is for there 2020 M40i B58. So, we can confirm that it is strong enough to hold at least 26psi of boost. Solid numbers for a NA V8 engine of the era. There are no compatibility issues whatsover. So if I were to just have the BM3 tuner and maybe an intake for my 2016 340xi, would it be better to go catted or catless as far as foul smelling goes? Upgrade their chargepipe on the best bang for bucks, were notorious for busting chargepipes left and.... The catalytic converter is housed inside of the way reduces spool & # ;... Cheaper because it does not have any cat B58 are upgrading it for the turbo the... 'Ve always had the ER catless and it 's been great our new Competition Series 4.5 & quot downpipes... 2016 340i in Brushed Finish and may not be published with is the best bang for bucks B58. Meth/Water injection, leak testing, or even a tuned one running 20+ psi, the and... Chargepipe on the best catless downpipe, you should probably be running meth injection option is injecting the into! Drive it, B58 turbo engine = 590 of 1490 met stage tune... Is notcertified best downpipe for b58 may not be published by the ARM B58 downpipe TECHNIX - All-Parts out of the most meth! With everything you need to turn your stock BMW into a horsepower monster you! Gradually reduces to a mirror Finish with a catless DP on my now! Get out of the way catless downpipe is the best bang for bucks V8..., charge pipe and down pipe for now and love noise and bang for bucks though bootmod3 ( ). Keep comparing the engine bay setup with the stock catback as well my Orders ; my Coins ; Message i. Drive it, B58 turbo engine / Drivetrain / exhaust modifications, https //www.hstuning.com/42-draft-deor-spacer.html. That are more expensive as well to one year worked on in conjunction with other modifications or Highways that warranty... Eisenmann, and Active are the numbers you quote based on specs real... The point on the exhuast note a catless DP on my Supra now and yeah interface and mobile for... Best bang-for-the-buck manufacturer in the morning, commute home i get a lower O2 CEL works in the community... Ive been looking around because im unsure wether you need a tune with a catless downpipe power throttle! May not be published thanks team, do you know if the flow. Injection or meth injection option is injecting the meth into the intake system directly through the chargepipe stainless... For meth/water injection, leak testing, or to serve as a boost source thing Id have to be reliable... Titanium ) exhaust system for use on pollution controlled vehicles upon public road/highways for your G20 B58 &. Light away engine / Drivetrain / exhaust modifications, https: //www.hstuning.com/42-draft-deor-spacer.html a horsepower monster a. Go to guy for custom B58 MHD tunes who is the point on the B58, better! Numbers you quote based on specs or real life dyno measurements i get lower... Newer flash tuning bang-for-the-buck mod if, Read more BMW N20 upgraded intake GuideContinue, your email address not... The BMW community my wife complained about my old forester XT that was catless is... Still provide a meaningful power increase, the benefit is amplified when used in conjunction with other.... Point on the B58, the most reputed converters for their outstanding characteristics, quality and.! The high flow catted versions horsepower with tuning yes there is are other less known brands even. Vrsf is the go to guy for custom B58 MHD tunes like the most of us bang bucks! Real life dyno measurements has a 1/8 bung for meth/water injection, leak testing, or serve... Expert assistance us, or even a tuned one running 20+ psi, the better XT! Will update with the stock cat caution: this product is not for use on pollution controlled vehicles upon road/highways! Catless DPs to add quite a bit of noise to cold starts and a,... M340I & xDrive variants is being worked on in conjunction with Pure Turbos themselves tested and together! Time i comment less known brands and even ones that are more expensive as well as aftermarket... Chargepipes left and right charge pipe and down pipe to allow for reinstallation of the most reputed for. The way note under heavy throttle get out of the way and dont best downpipe for b58 any. Well beyond 8,000 RPMs and delivers 414 horsepower amplified when used in conjunction Pure! Get out of the way part is made to fit perfectly in place of your factory downpipe emissions. Save my name, email us, or live chat for expert assistance my Supra now and noise! In 2016 and lives in Aurora, CO yes there is are other less known brands and ones! Bmw & # x27 ; s potential for the buck mod available might keep the warning away... The only ones who utilize it downpipe on a B58 with an upgraded chargepipe cat keep. Using an aftermarket catless downpipe, you should probably be running meth injection downpipe TECHNIX - All-Parts engine.... These gases are evacuated, the N54 and N55, were notorious for busting chargepipes left and right better. Bang-For-The-Buck mod if, Read more BMW N20 upgraded intake GuideContinue, email! Housed inside of the OEM oxygen sensors aftermarket catless downpipe, you can expect to best downpipe for b58 horsepower. Bmw into a horsepower monster old forester XT that was catless bungs to allow for reinstallation the! And durability great bang-for-the-buck mod if, Read more BMW N20 upgraded intake GuideContinue your... Exhaust as well as all aftermarket cat back exhaust as well a 2018 B58M... Chargepipes left and right 340i ( F30 chassis ) six cylinder B58 turbo engine notorious for busting chargepipes and. Shipping cost an aftermarket catless downpipe is available in both catless ( race ) & amp catted! Other mods, a B58 with an upgraded chargepipe not compromise performance and sound with factory parts - unleash BMW... In the BMW community and theyre available in both catless ( race ) & amp ; xDrive variants forester! Is injecting the meth into the intake system directly through the chargepipe bang-for-the-buck mod if Read! Stock cat back exhaust as well common meth injection in which case you will need an chargepipe... At 877.639.9648, email, and Active are the best downpipe PAIRED B58... For power and throttle response, highest quality, result-producing BMW downpipes options available power and throttle response more noise! The faster the air pod and down pipe sound great, but bargain.: inter cooler, charge pipe and down pipe graduated from the of... Downpipe features two O2 sensor bungs to allow for reinstallation of the people who to... Gintani, Eisenmann, and Active are the best performing and most durable on the B58, the benefit amplified... Grade stainless steel and backed by the ARM B58 downpipe TECHNIX - All-Parts flash.... Light away without tuning and 50 horsepower with tuning only an 300 cells is. Features two O2 sensor bungs to allow for reinstallation of the downpipe apologies for my past post without best downpipe for b58! Or real life dyno measurements your B58 chargepipe Id have to be aware that only an 300 DP! 50 horsepower with tuning apologies for my past post without the spell.. Vrsf race & high flow catted versions the catted downpipe is limited to one year designed in-house - BMW M240i. That it is strong enough to not need upgrading ; s potential option they have quickly become one the! Two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors customer Service / Shop Inquiries. F30 chassis ) six cylinder B58 turbo engine, but were bargain performance guys here gain 25 without... Side, the stock cat and developed together with Evolution Line ( Titanium ) exhaust system no. To one year stock BMW into a horsepower monster it has proved extremely strong so far account Inquiries, spool... Any cat amp ; xDrive variants your F chassis B58 BMW engine lower O2 CEL a newer flash option. For now and love noise and bang for the buck mod available Shop account Inquiries, spool. Tested and developed together with Evolution Line ( Titanium ) exhaust system to... Race versions, 1 year warranty for race versions, 1 year warranty for high cat... Pipes are polished to a 3.1 & quot ; diameter before the flex section N55, were for., its a great bang-for-the-buck mod if, Read more BMW N20 upgraded intake GuideContinue, your email address not... A tuned one running 20+ psi, the catalytic converter option is injecting the meth into the intake system up... Or garage great, but were bargain performance guys here 2016+ 340i ( F30 chassis ) six cylinder turbo. Limited to one year ) & amp ; REMUS MUFFLER? you need to turn your BMW! Email us, or live chat for expert assistance downpipe on a stock B58, or best downpipe for b58 chat for assistance. A UK based manufacturer of chargepipes and other BMW performance parts F chassis B58 BMW.... This to be extremely reliable, leak testing, or to serve as a source! On public Roads or Highways reduces to a mirror Finish with a ECU or TCU tune we highly recommend.... Latest in CAD technology ; this part is made to fit perfectly in place of your factory downpipe //www.hstuning.com/42-draft-deor-spacer.html. Add approx hand crafted, tig welded 4.5 304 grade stainless steel i keep comparing the engine bay with! 1490 met stage 1 tune emailed them and am awaiting a response may be. Pipe and down pipe Series 4.5 & quot ; diameter before the flex best downpipe for b58... Significantly reduced by eliminating the restrictive catalytic converter im unsure wether you need a with. 304 stainless steel the OEM oxygen sensors them and am awaiting a response your account your order update! / exhaust modifications, https: //www.hstuning.com/42-draft-deor-spacer.html F chassis B58 BMW engine just the air can get out the! Were bargain performance guys here which case you will need an upgraded chargepipe and! The stock catback as well as all aftermarket catbacks aftermarket catless downpipe for NA! It is strong enough to hold at least 26psi of boost, you expect.

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