Car Turbine Whistle

Suitable for all types of general purpose fittings, easy to install on all tailpipes. Make your vehicle sound like a turbo vehicle with the turbo system or blow off valve. CNC machining, lightweight and durable, made of high-quality aluminum. No welding, wiring or drilling required. You can choose 4 sizes to make your life more fun. SPECIFICATIONS: Color: Silver, Black, Red, Blue, Yellow. Material: High-quality aluminum alloy. S: output volume 1.0-1.6, outlet diameter 32-43 mm.M: output volume 1.6-2.0, outlet diameter 37-48 mm.L: output volume 2.0-2.4, outlet diameter 44-55 mm.XL:  output volume ＞ 2.4, outlet diameter 56-85 mm.PACKAGE INCLUDES: 1 x Car Turbine Whistle (Color random). NOTES:Two pictures of light and sound effects on the pictures.