Performance Motorsport Parts Sports cats are designed to replace the stock catalytic converter with a less restricted cat, allowing better airflow resulting in increased power and torque while also improving throttle responsiveness. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing catalyst replacement to get the most from the N55 engine ---Designed to improve power and torque across the entire RPM range ---Reduces turbo lag and increases power capabilities Compatible with: BMW 1 Series | F20 F21 | N55 | M135i 2011-2016 including xDrive models Please Note: This is a non type approved CAT and as such will not pass an MOT so is sold for off road use only.
