
Rev9 2pc Valved Side Muffler Bypass Pipe for Porsche 911 991 GT3 RS 911R 14-19
Application: Porsche 911 991 GT3/GT3 RS/ 911R 14-19FlowMaxx Valved Side Muffler Bypass Pipes for Porsche 991.1 / 991.2 GT3 / GT3 RS models are equipped with valves offers the capability to produce an aggressive exhaust note under acceleration, and a more quiet tone for city driving. When cruising on the streets the valves are closed and produce a deeper exhaust tone. At wide-open throttle the valves will open, producing a unique rich exhaust tone. Exhaust valves are controlled by the engine control unit and works exactly like how the original exhaust system would of functioned on the vehicle. 201 Stainless Steel Pipe (16 Gauge) TIG welding and mandrel pipe bending Approx.. 35 lbs. Lighter Than Factory Simple Bolt On Installation Utilized ***For Off-road and Competition Use Only Due To Federal Emission Regulations.