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200 Cell Sport Catalytic Converter or European Pre-Muffler Catbypass Pipe
After extensive dyno development we found that using the highest quality HJS German Catalysts offer the most power across the entire power band
your console may have broken tabs on the back from previous use - removal from previous owners - part may or not be missing LH hole cover
Installs easily with 3M tape for a non invasive install
CFD-analysis and 3D-printing many times over until do88 had a finished prototype
Fabspeed BMW M2/M3/M4 (G8X) Sport Cat Downpipes (2021+) - FS.BMW.G8X.SC Supersport X-Pipe Exhaust System (2013-2015) 200 Cell Sport Catalytic ConverterGive 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
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