Fabspeed BMW M2/M3/M4 (G8X) Sport Cat Downpipes (2021+) SPYDER RS Over Axle Link Pipes (2022+) patented RENNKRAFT® system- this allows

patented RENNKRAFT® system- this allows Catted and NO cat systems in a modular PATENTED design

063 Thick 6061 Aluminum

One pair caliper mounting brackets and hardware

color shift

Fabspeed BMW M2/M3/M4 (G8X) Sport Cat Downpipes (2021+) SPYDER RS Over Axle Link Pipes (2022+) patented RENNKRAFT® system- this allowsGive your G8x M3 M4 more sound and power with our high flow catted downpipe. Fabspeed Motorsport's engineering team consulted with HJS Motorsport and chose the largest HJS catalytic converter that would fit the G8x chassis. This guarantees the most exhaust flow, reliability, and sound. Our Sport Cat Downpipe will flow 93% of a 3'' straight pipe, all while providing emissions compliant performance and NO check engine light. There's no need to run cat