Unleash the full potential of your BMW S58 engine with the CRT Performance Downpipes featuring 200 CPSI high-flow sport catalytic converters. Designed to reduce exhaust back pressure and enhance turbo efficiency, this upgrade delivers sharper throttle response, improved exhaust flow, and a refined, motorsport-inspired tone.

Key Benefits

• Reduced Backpressure – Enhances turbo spool and throttle response for quicker power delivery.

• Weight Reduction – Lighter than the restrictive OEM catalytic setup.

• Optimized Flow – Smooth bends and precision welds eliminate turbulence for consistent performance.

• Refined Sound – Subtle, deep exhaust note — cleaner and less aggressive than a catless system.

• Lower Emissions – The ideal balance between performance and environmental responsibility.

Materials & Construction

• Handcrafted from 304 stainless steel for superior durability and corrosion resistance.

• CNC-machined flanges for perfect alignment and leak-free sealing.

• High-flow 200-cell catalytic converters designed for maximum efficiency under high temperatures.

• TIG-welded to motorsport standards for maximum structural integrity and longevity.

Performance & Testing

Every CRT downpipe undergoes extensive road and track testing to ensure maximum performance, durability, and reliability under extreme conditions.

Important Note

Use of a sport catalytic converter may not always prevent a Check Engine Light (CEL), as modern DME systems can detect variations in catalytic efficiency.
Compliance with local emissions regulations cannot be guaranteed. For off-road or motorsport use only where applicable.

Compatibility

• BMW G80 M3 Sedan (2021+)

• BMW G80 M3 Competition Sedan (2021+)

• BMW G81 M3 Touring (2023+)

• BMW G81 M3 Competition Touring (2023+)

• BMW G82 M4 Coupe (2021+)

• BMW G82 M4 Competition Coupe (2021+)

• BMW G83 M4 Convertible (2021+)

• BMW G83 M4 Competition Convertible (2021+)

• BMW G87 M2 Coupe (2023+)