Fan Favorite｜MAD BMW S58 Catted Downpipes M3 M4 G80 G82 G83 W/ No CEL Guarantee & Flex Section｜ Other Products

Introducing the MAD S58 Catted DownpipeThe perfect upgrade for BMW enthusiasts looking to unlock more performance and a deeper, more aggressive exhaust note without triggering a check engine light.
Crafted from high-quality 304 stainless steel, this downpipe is built to handle extreme heat and harsh driving conditions. The smooth piping transitions are designed for maximum exhaust flow, delivering noticeable gains in horsepower, torque, and throttle response.
Equipped with 300 cell high-flow catalytic converters, the MAD S58 Catted Downpipe improves engine sound and overall drivability while keeping the check engine light off. It bolts directly to the factory exhaust system with no cutting or welding required, making installation quick and hassle-free. It’s also fully compatible with most aftermarket exhaust systems, giving you the freedom to customize your build.
No CEL guaranteeIf you get a check engine light related to the catalytic converter, MAD will replace the downpipe for free.
Don’t settle for stock performance. Upgrade to the MAD S58 300 Cell Race Catted Downpipes and experience the full potential of your BMW.
Race use only
Features

300 CEL catalytic converters

No check engine light guarantee

Compatible with right-hand drive and left-hand drive vehicles

Smooth bends for maximum airflow without drone

Up to 30HP increase on stock turbos, even more with upgraded setups

Lifetime warranty on defects and fitment

90-day return period

Ships in 1 to 2 business days

Spot-on fitment

Flex section for added durability

Fitment

2021 and up BMW M3 G80

2021 and up BMW M4 G82 and G83

2023 and up BMW M2 G87

DisclaimerFor race use only. This product is not certified for use on public roads and may not comply with local regulations. Always check your local laws before installing.
Brand:BOOTMOD3 TUNING USASKU:mad-121Tags:MAD BMW S58 Catted Downpipes M2 M3 M4 G87 G80 G82 G83 W/ No CEL Guarantee & Flex Section, S58 Catted Downpipes M2 M3 M4 no CEL guarantee