ITEM NAME:Car Style Exhaust Pipe Blowoff Valve Simulator Turbo Sound Whistle Muffler U6Y1 Description&Preview.Place the turbo sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler. Loosen the screw on the turbo sound whistle. Screw the screws on the turbo sound whistle to tighten the item so it doesn't fall off while driving.
