Take your BMW B58 Gen 1 engine to the next level with the CRT Performance 200 CPSI Sport Cat Downpipe. Designed to optimize exhaust flow and performance while maintaining moderate emissions, this premium upgrade delivers the perfect balance between power, sound, and efficiency.

Why Choose the CRT Performance 200 CPSI Downpipe

• Increased Power & Quicker Turbo Response – Reduced backpressure means faster turbo spool and sharper throttle response.

• High-Flow 200 CPSI Sport Catalyst – Maximizes exhaust flow while still reducing emissions.

• Lightweight Design – Lighter than the OEM catalytic converter for better performance and handling.

• Optimized Sound – Deep, sporty tone without the excessive volume of a fully decat system.

• Perfect Fitment – CNC-machined flanges and precise design ensure a direct OEM replacement with no fitment issues.

Technical Specifications

• Material: 304-grade stainless steel – highly resistant to heat and corrosion.

• Construction: Handcrafted and TIG-welded for maximum strength, precision, and leak-free performance.

• Flanges: CNC-machined for exact fitment to turbo and exhaust system.

• Catalyst: 200 CPSI high-flow sport catalytic converter balancing performance and emission control.

Testing & Durability

Each CRT Performance downpipe is track and road tested to guarantee consistent performance and reliability under extreme conditions.

Additional Information

• Designed only for vehicles without OPF/GPF filters.

• The sport catalytic converter may not always prevent a Check Engine Light (CEL) depending on your DME software calibration.

• CRT does not guarantee compliance with emissions regulations – intended for off-road or motorsport use only.

Compatibility

• BMW 1 Series F20/F21 – M140i

• BMW 2 Series F22/F23 – M240i

• BMW 3 Series F30/F31/F34 – 340i

• BMW 4 Series F32/F33/F36 – 440i

For non-OPF/GPF models only.