1 x Turbo-sound whistle 1 x Screw nut 1 x Hex wrench
Suitable for various vehicles; Supports straight pipe、 not for bend pipe; Easy to install; Elegant、 fine、 fashionable and economic; Simulates sound of turbo relief、 making sound through air or exhaust pipe Dimensions: 4.09 in x 0.79 in x 0.79 in (10.4 cm x 2.0 cm x 2.0 cm) Weight: 2.29 oz (65 g)