BMW G8x M3 M4 Decat Downpipes | High Flow Stainless Steel Catless Downpipes for S58
Unlock serious performance on your BMW G8x with these high flow stainless steel decat downpipes. Designed for the 3.0 twin turbo S58 engine, these G8x M3 M4 de-cat downpipes replace the restrictive factory catalytic converters to let the engine breathe better. Expect a sharper, more aggressive exhaust tone, increased volume and the flow your setup needs to safely go beyond Stage 1 tunes. Direct bolt-on fitment with all additional hardware supplied for a quick and efficient installation.
Perfect for enthusiasts seeking a BMW M3 M4 downpipe upgrade, these catless downpipes are a proven performance exhaust upgrade for track and off-road builds. We have installed and used these on customer cars and our own G8x platform vehicles, and feedback has been consistently excellent on sound, response and tuning headroom.
Key features
- High flow stainless steel construction for durability and maximum exhaust gas flow
- Replaces restrictive factory downpipes to reduce back pressure and heat
- Noticeable increase in exhaust tone and volume for a motorsport-inspired sound
- Supports tuning beyond Stage 1 and ideal for Stage 2 remaps on the S58 engine
- Direct bolt-on fitment with all required hardware supplied
- Designed for BMW G8x M3 and M4 platforms
Compatibility
Fits all BMW G8x models with the S58 engine:
- G80 M3 Saloon
- G81 M3 Touring
- G82 M4 Coupe
- G83 M4 Convertible
Why choose Nforcd
- Trusted BMW performance parts specialist in the UK
- Products we use, fit and recommend for the G8x platform
- Knowledgeable support from enthusiasts who know the S58 inside out
Professional fitting available
We recommend professional installation for best results. Nforcd offers in-house fitting in Warwickshire. Request a fitting quote at Sales@nforcd.com.
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Disclaimer: Purchases of Decat Downpipes are not recommended for road use but only off road use.