The race program should also reduce fault codes and Look at motor lights that come from applying this downpipe with stock computer software (assisting to pass write-up-race tech inspection). Immediately after months of investigate and development, our engineers settled on a 3 inch diameter pipe which utilizes the least quantity https://m3-g80-downpipe20874.wikidank.com/642090/bmw_m3_g80_catted_downpipes_an_overview