ITEM NAME:Turbo Sound Whistle Muffler Exhaust Pipe Auto Blow off Valve Simulator AU HOT SALE body .shopclass { float: left; width: 100%;.Easy to install, no welding or drilling needed. Wrench and black screw is used to fix the item. Installation: 1. Loosen the screw on the turbo sound whistle. Place the turbo sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler.
