MAD BMW S58 Catted Downpipes M3 M4 G80 G82 G83 W/ No CEL Guarantee & Flex Section

Unlock Performance with the MAD 300 Cell Catted Downpipes for BMW S58 Engines
Elevate your BMW’s performance and driving experience with the MAD Catted Downpipes designed specifically for the S58-powered M3, M4, and M2 models. Engineered to deliver maximum exhaust flow and throttle response, these high-performance downpipes provide an aggressive, refined sound without triggering a check engine light.

Constructed from high-quality 304 stainless steel, the MAD Catted Downpipes are designed to endure extreme temperatures and driving conditions. Their smooth mandrel-bent piping promotes optimal exhaust flow, resulting in improved horsepower, torque, and overall responsiveness. With 300-cell high-flow catalytic converters integrated into the design, you gain a perfect balance between performance gains and emissions control, making this an ideal upgrade for both spirited street driving and track use.

The included flex section ensures long-term durability, while the precision-engineered flanges guarantee a spot-on fit with both OEM and most aftermarket exhaust systems. No cutting or welding is required for installation, ensuring a direct bolt-on experience. Additionally, MAD guarantees no check engine light (CEL) will appear—offering replacement if one does.

Key Features:

• 300 Cell High-Flow Catalytic Converters

• No Check Engine Light Guarantee

• Flex Section Included for Enhanced Durability

• Smooth Mandrel Bends for Maximum Airflow

• Up to 30HP Gain on Stock Turbocharged Engines

• Even Greater Performance Gains with Upgraded Setups

• Compatible with Both Right-Hand Drive and Left-Hand Drive Models

• Precision Fitment with Factory or Aftermarket Exhaust Systems

• Lifetime Warranty Against Manufacturing Defects and Fitment Issues

• 90-Day Return Policy

• Designed for Race Use Only (Not Street Legal)

• Ships Within 1–2 Business Days

Fitment:

• 2021+ BMW M3 G80

• 2021+ BMW M4 G82

• 2021+ BMW M4 G83

• 2023+ BMW M2 G87

SKU: MAD-121

Disclaimer:
This product is intended for race use only. It is not certified for use on public roads and may not comply with local emissions regulations. Always check your local laws before installing this product.

Upgrade your BMW's performance and unleash the full potential of the S58 engine with the MAD 300 Cell Catted Downpipes—crafted for power, sound, and reliability.