DeutschTuning proudly offers Active Autowerke Performance Rear Exhaust BMW F30/32 2012-2019. True BMW performance, durability, and attractive weight advantages with innovative features places the Active Autowerke BMW F3x 340i exhaust in a class of its own. This system is constructed from 100% Brushed 304-stainless steel and features adjustable brushed, black or carbon Active Autowerke double walled tips, making it ideal both for 2-door and 4-door models. The choice is yours.The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust. Gone is the factory flapper to change exhaust tones; this BMW Performance exhaust doesn't need gimmicks to accomplish baritones or suffer from problems like sticking flappers that will happen due to exhaust build up. Instead, the sound come out non intrusive, with a rich mellow tone and delivers a solid 15+hp, with key gains in the mid-range. Listen to the video and judge for yourself.The Active Autowerke F3x 340i BMW Rear Exhaust System provides increase in BMW horsepower, great sound and appearance making it the choice for the avid BMW enthusiast. Large mandrel bent piping for maximum flow. Durable, Brushed 100% 304 stainless steel for durability. Double-walled 100mm or 90mm Signature Brushed stainless tips. Adjustable Tips with Embossed Active Autowerke Logo. Improved power & torque throughout entire RPM band. Gains of 12-15 HP over stock configuration. Tight seal with use of TORCA style exhaust clamps. Fitment for coupe, convertible and sedans. Complete illustrated instruction manual. Two year limited warranty included. Factory curb weight 27.0 Lbs, Active 340i weighs 22.0 Lbs