4.5″ Exhaust Decat Downpipe – BMW 1 / 2 / 3 / 4 Series F20 / F21 / F22 / F30 / F31 / F32 / F33 / F35 N20 10-17
Manufactured from highest quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability Free flowing catalyst to get the most from the N20 engines Designed to improve power and torque across the entire RPM range