Kooks 22+ Raptor R 5.2L 4V. 3in. SS H.O. GREEN Catted Connection Pipes (Connects to OEM) - 13723400 fits_2015-`BMW`M3 Lowers AIT by 12

Lowers AIT by 12

and max gains of 22 hp and 24 lb-ft of torque to the crank

884007P is a one-piece

keeping more boost available for when you need it (up to an estimate 49 horsepower and 82 lb

Kooks 22+ Raptor R 5.2L 4V. 3in. SS H.O. GREEN Catted Connection Pipes (Connects to OEM) - 13723400 fits_2015-`BMW`M3 Lowers AIT by 12Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud