2011 BMW M1 By Rich’s

Rich’s Street Demon Performance Cat Back Exhaust is the number one asked for performance exhaust for cars and trucks. Adding 10 + hp and allowing for a 1 more mile per gallon. Complete 2 1/2-inch cat-back exhaust using our exclusive Stainless Street Demon Muffler and installing our Elite Dual Staggered 3 inch Chrome over stainless tip.