BMW M340i G20 & Toyota GR Supra A90 B58 Supersprint 100 CPSI Sports Cat Downpipe 525821

Direct-fit 100 CPSI sports cat downpipe for B58 engines with OPF/GPF - no cutting, welding or coding required. Fits G20 M340i and A90 GR Supra exactly as supplied.

• OEM-position O2 bungs and threaded sensor mount - no warning lights
• Premium metallic substrate with high noble metal content for flow and longevity
• Flex joint included for engine movement and durability
• Optimised volume and shape for sharper throttle response and stronger mid-range torque
• Ideal foundation for stage 1 tuning or fast-road use

Eliminates flat-spotting and exhaust odour common with lower-spec cats. Plug-and-play fit on factory mounts and sensors.