3 Exhaust Decat Downpipe - BMW 1 / 3 Series E82 / E88 / 135 / E90 / E92 / 335 11-12

Manufactured from high quality T304 stainless steel
Mandrel bent and fully TIG welded for strength and durability
Free flowing catalyst replacement to get the most from the single turbo N55B30 engine
Designed to improve power and torque across the entire RPM range