Enjoy peak efficiency and also a sportier mention with Dinan Exhaust Systems. Free-flow exhaust enhances exhaust flow by lowering backpressure. Less backpressure leads to an increased amount of electrical power output plus an amazing sound. Varies between mellow and soothing when idling to ambitious and loud whenever you speed up. Exhaust touts hundred stainless steel building and a smaller entire niche compared to stock. Use the factory brackets and also hangers for a precise and clean set up. Your Dinan Performance Exhaust Systems is protected by a restricted 2 year extended warranty Estimated performance gains six hp along with five ft. lbs. torque. Installation time Approximately 1.4 many hours. Two 3.5 black colored ceramic stainless-steel strategies. Uses the factory brackets and also hangers for a factory like fitment. 304 stainless-steel construction. 2013 BMW 3 Series Dinan Exhaust Systems...