Masata
Masata S58 G8X Catless Downpipe / Decat Front Pipe – BMW G80 G81 G82 G83 M3/M3 Touring M4, G87 M2 (Competition & xDrive) High-Flow Turbo Down Pipe, Straight Pipe Race Exhaust Upgrade MST6003 2021+
Masata S58 G8X Catless Downpipe / Decat Front Pipe – BMW G80 G81 G82 G83 M3/M3 Touring M4, G87 M2 (Competition & xDrive) High-Flow Turbo Down Pipe, Straight Pipe Race Exhaust Upgrade MST6003 2021+
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Masata Decat Front Pipe for BMW G8X S58
Transform your S58-powered M car with the Masata de-cat front section. Built from high quality stainless steel with smooth, constant-diameter bends, this race-focused front pipe frees up exhaust flow on the G8X platform for faster turbo response, stronger midrange punch and a richer motorsport soundtrack. If you are chasing maximum performance from your BMW straight-six twin turbo, this Masata upgrade is the hardware of choice.
We run Masata hardware on our own builds and our customers love the sharper throttle feel, the urgent spool and the aggressive tone under load. It is a direct replacement for the restrictive factory primary catalyst section and is designed for those who want uncompromised performance on track or closed-course use.
Why enthusiasts choose this Masata de-cat
- Unrestricted gas flow for rapid turbo spool and improved driveability
- Stainless steel construction for durability and corrosion resistance
- Smooth, mandrel-style bending for optimum velocity and minimal turbulence
- Precise fitment on G8X chassis with OE-style alignment for a straightforward install
- Deep, assertive exhaust note that complements the S58 character
- Genuine Masata product with Masata Lifetime Warranty
Perfect for performance builds
Ideal as core hardware for Stage 2 style setups, turbo tuning and track-day preparation. Pair with your chosen remap, intercooler and intake for a complete performance package. Popular search terms include S58 decat pipe, G8X race front pipe, BMW M3 M4 straight-through front section, G80 exhaust upgrade and M2 G87 de-cat.
Vehicle fitment
BMW S58 3.0 twin turbo models:
- G80 M3 2021+
- G80 M3 Competition 2021+
- G80 M3 Competition xDrive 2021+
- G81 M3 Competition xDrive Touring 2021+
- G82 M4 2021+
- G82 M4 Competition 2021+
- G82 M4 Competition xDrive 2021+
- G83 M4 Competition Convertible 2021+
- G83 M4 Competition xDrive Convertible 2021+
- G87 M2 2023+
Part number
MST6003
Fitting and support
Professional installation available at MJ Modifications, Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and lead times. We are happy to advise on complementary upgrades and mapping considerations for your build.
Compatibility check
We verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout so we can cross-check compatibility for your specific car.
Important information
This product is for off-road and motorsport use only. It is not TUV certified and we cannot guarantee it will pass any MOT or emissions test.
Search-friendly terms customers use for this item: BMW S58 decat down pipe, G8X front pipe upgrade, M3 M4 exhaust mod, G80 high-flow front section, straight pipe front section, M2 G87 performance exhaust, race down pipe S58, turbo down pipe upgrade BMW M car.
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