* High Torque Electric Gear Motor Specifically Manufactured to Withstand High Temperature and * Vibration * TIG Welded CNC Machine Flange for Resistance against Pressure and CorrosionUniversal Application for Any 2.5" Piping Diameter Exhaust System Fits Piping with 2.5" OD ONLY; Please be Sure to Pair the Remote Control Unit before Completing the Installation Please make sure you have enough space to install before purchaseManufacturer Part Number: 2325H Mounting Position: Medium Item Weight: 1900g Material Type: 304 Stainless Steel Pipe & T6061 Aluminum Valve Type: Dissipative Muffler Battery: 2 Pieces CR2016 Special Features: Make Amazing Sound / add extra power Size: 2.5 inch Weight: 1900g Function: Adjust car sound1 x CNC Aluminum Electric Exhaust Cut Out Valve with Gear Driven Motor 1 x Stainless Steel be cut Pipe 1 x Toggle Switch 1 x Wireless Remote Control Unit 1 x 12ft Wiring Harness 1 x Flange Gaskets 1 x Set of Bolts with Lock Washers and Nuts First, you need to find a space in the exhaust with enough room around it for the Y-pipe and electric motor. Cut a length out of the existing exhaust and slip the Y-pipe into place.This is a cool product that allows you to install big mufflers on your car to quiet it down on the street, but the flexibility of opening up the system at the track or at your local cruise spot when you want a little more performance or street presence. The Y-pipes and turndowns are made from quality, TIG-welded stainless steel, and the flapper valve seals tightly when closed to eliminate any hissing or otherwise gross sounds that could potentially leak past the valves. The wireless controller makes the install that much cleaner and easier, since there's no need to wire a switch to the passenger compartment.