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One pair caliper mounting brackets and hardware
We suggest pairing this product with racing software to prevent fault codes and check engine lights
the SR Aeroshield has changed this situation
Race-ready Heat-Resistant (R-HR) Coating: Our on-track testing revealed that the rear brake area can exceed 500°F during racing or heavy track use
patented RENNKRAFT® system- this allows Catted and NO cat systems in a modular PATENTED design
Fabspeed BMW M2/M3/M4 (G8X) Sport Cat Downpipes (2021+) SPYDER RS Over Axle Link Pipes (2022+) One pair caliper mounting bracketsGive 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