BOLLAER Turbo Sound, Exhaust Pipe Oversized Roar Maker Car Whistle Noise Muffler Whistle/Fake Blow off valve BOV Simulator (S)

Whistle Diameter: S: 1.8Cm, M: 2.3Cm, L: 2.7Cm, Xl: 3.1Cm. Application: Four Sizes Are Universal Fitment For All Vehicles Models, Easy To Install, Beautiful, Very Stylish, Low Cost, Is To Decorate The Car. Made Of High Quality And Light Weight Aluminum Universal Turbo Sound Noise Exhaust Muffler Pipe Whistle / Fake Blow Off Valve Bov Simulator Whistler Easy To Install, Can Be Installed Under 2 Minutes, Make Your Vehicle Sound Like A Turbo Vehicle With The Turbo System Or Blow Off Valve Please Note: The Turbo Sound Whistle Is Not Suitble For Extremly Curved Tail Pipes. For Vehicles With Small Displacement, Choose A Large One