335i / 135i N54 Agency Power Downpipes AP-335I-171
These are catless race pipes and for off road / race use only.
Agency Power downpipes are designed to improve your turbo charged
vehicles performance. Agency Power;s BMW E82 135i downpipes are no
exception. These pipes are made from polished 304 stainless steel. They
connect to the headers with a 3" diameter opening and V band flange.
They have an inside diameter of 2.60". The larger diameter design will
improve exhaust flow, keep boost pressure up and provide improved
throttle response. This down pipe eliminates the catalytic converters.
Each down pipe has 2 oxygen sensor locations. Thick flanges, sturdy
hangers and increased flow make these down pipes a must have for all E82
enthusiasts.