1. Loosen the bolt on the turbo sound maker.
2. Insert the turbo sound maker into the tailpipe.
3. Tighten the bolt so as not to fall off while driving.
Material: Aluminum alloy
Color: Black , silver
Large Size : Suitable for exhaust pipe diameter 44-55 mm
Include: turbo whistles + wrench
1 x turbo whistles
1 x wrench