2.5″ Exhaust Decat Downpipe – BMW 3 Series E46 330d M57 99-05

Manufactured from highest quality T304 grade stainless steel, mandrel bent and fully TIG welded for strength and durability. CNC machined flanges for strong solid support and an accurate fit, designed to improve power and torque across the entire RPM range. Noticeably improves the throttle response of your BMW 3-Series. One of the most cost effective ways of releasing power from your 330D M57 Engine.     2.5" Exhaust Decat Downpipe compatible with BMW 3 Series E46 330d M57 99-05, made from T304 Stainless Steel, is a free flowing part which improves throttle response. Our 2.5" Exhaust Decat Downpipe is a great modification to achieve extra power and torque across the RPM range.