2.0inch SS304 wire contral straightcutout cut out pipe /switch Manual control Specifics and Benefits: Pipings - Made of High Quality T-304 Stainle Steel with Computerized Mandrel-Bends for Strength and DurabilityHigh Performance Racing Spec. DesignInstantly Increases 10 -20 HorsepowerAggreive Deep Sound while Ensures Smooth Exhaust Gas FlowElectrically Controlled Exhaust Valves Outflow; Simply with a Buttoni.e. Easy to Control the Exhaust Volume and Air Flow Pack include:1 x 11 inch(approx 280mm) sus 304 electric exhaust cutout pipe with High-quality waterproof motor1 x button1 x controller case1 x 4m wiring harne Features- Universal Fitment- They Can Be Placed Anywhere After The Headers.- Easily Operated At the Push of a Button.- Electrically Controlled Exhaust Valves Outflow.- Control The Volume And You Control The Flow.- Weather proof wiring harnees.- High torque electric gear motor specifically manufactured to withstand high temperature and high vibration environment- Nice Polished Finish Surface. Note: this is a d.i.y ( do it yourself ) kit , please keep in mind that you will have to weld this to your factory/aftermarket exhaust .NO installation instruction included. Profeional installation is strongly recommended.