BMR 3.5" Cat Back Exhaust For 135i N54 / N55

Special Order Item Fitment: 2008-2013 135i N54 / N55 3.0L I6 Does not fit models with M series rear valance. Features: T304 Stainless Steel 3.5" Dual Slash Cut Tips Mid Mounted Muffler  3.5" Clamps Build Time: 4 to 8 Weeks Each section an be updated to Titanium The 135i 3.5" Cat-Back exhaust is one of the largest and best-sounding exhaust systems currently on the market. This system is made from top-quality T304 3.5" diameter stainless steel, features a mid-mounted muffler, and was designed, built, and tested here in the USA. This will fit both the twin-turbo or single turbo 135 applications and an X-Brace spacer can be purchased for an additional amount if desired.