If you just want a downpipe, seek out one which includes a dyno chart demonstrating the anticipated functionality maximize. Commonly, they insert ten-20hp by them selves. Technically, the “downpipe” area of the exhaust technique connects the headers or exhaust manifold to the catalytic converter(s). For the majority of vehicles, the https://www.social-bookmarking.org/en/the-ultimate-guide-to-downpipes-for-bmw-m3-g80-maximize-performance