Fabspeed BMW F80 F82 Secondary Cat Bypass X-Pipe for M3 and M4
Transform the sound and flow of your BMW M3 or M4 with the Fabspeed Secondary Cat Bypass X-Pipe. This free-flowing x-pipe replaces the restrictive factory secondary catalytic converters to unlock increased exhaust flow and a deeper, more aggressive exhaust note without drone. Perfect for BMW F80 M3 and BMW F82 M4 owners seeking a serious exhaust upgrade, this mid pipe is engineered to work brilliantly with the OEM rear silencer and is fully compatible with the BMW M Performance Exhaust.
We run this setup on our own F8X development cars and our customers consistently love the tone, quality and fit. If you are searching for BMW F80 M3 exhaust upgrade, BMW F82 M4 x-pipe, M3 M4 secondary cat delete, F8X midpipe, S55 exhaust, Fabspeed x pipe, BMW M3 M4 catless mid pipe or BMW M Performance Exhaust compatible mid-pipe, this is the proven solution.
Key Features
- Direct replacement for the restrictive OEM secondary catalytic converters for increased exhaust flow and sound
- Dramatic improvement in exhaust tone with a pronounced, motorsport-style X-pipe soundtrack and no drone
- Fits all BMW F80 M3 and F82 M4 worldwide 2014 to 2018 for M3 and 2013 to 2020 for M4 including cars with the M Performance Exhaust
- Does not fit the F83 M4 Convertible
- Simple bolt-on installation with no check engine lights
- Minor cutting required to remove the OEM part on standard M3 and M4 models
- Constructed in-house by Fabspeed from 14 to 16 gauge CNC mandrel-bent T304L stainless steel for durability and corrosion resistance
- Waterjet cut flanges and braces that are CNC milled for precision fitment
- Backed by the Fabspeed Lifetime Warranty
Why this X-Pipe
The Fabspeed Secondary Cat Bypass X-Pipe delivers the sound the S55 deserves while retaining factory primary emissions equipment. It frees up flow where the stock system is most restrictive, amplifying volume and character for a sharper, crisper note. If you want your BMW M3 or M4 to sound like a proper performance car, this is the go-to F8X mid pipe upgrade.
Compatibility
- BMW 3 Series F80 M3 Saloon 2012 to 2015
- BMW 3 Series F80 LCI M3 Saloon 2015 to 2018
- BMW 4 Series F82 M4 Coupe 2013 to 2017
- BMW 4 Series F82 LCI M4 Coupe 2016 to 2020
Does not fit the F83 M4 Convertible.
Part Numbers
- FS.BMW.F8X.SCBX for Standard M3 and M4
- FS.BMW.F8X.SCBXM for M Performance Exhaust vehicles
Installation and Fitting
Straightforward bolt-on installation using the factory mounting points. No check engine light. Minor cutting is required for removal of the OEM mid pipe on standard M3 and M4 models. Prefer professional fitting. Nforcd can install this for you at our workshop in Warwickshire. Request a fitting quote via Sales@nforcd.com.
Compatibility Check
Before dispatch we verify fitment to your vehicle. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will run a compatibility check.
Manufactured by
Fabspeed
Legal Notice
Purchase Disclaimer. Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.
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Helpful Search Terms
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