S (inner diameter 18 mm, outer diameter 20 mm) for engine size 1000-1600cc
M (inner diameter 23 mm, outer diameter 25 mm) for engine size 1600-2000cc
L (inner diameter 27 mm, outer diameter 30 mm) for engine size 2000-2400cc
~ Make your car sound like a turbo charger. Attach our turbo whistle to your muffler exhaust pipe and under heavy acceleration makes your car sound like a fake turbo charger.
~ The turbo whistle is an aluminum device which easily fits inside your car or trucks muffler exhaust pipe.
~ some cars letting off the gas pedal releases back pressure in the muffler making the car sound like it has a small blow off valve.
~ The best part about our turbo whistle is that it only takes seconds to attach. No welding or drilling needed.
~ The turbo whistle measures about 3" long and is made of lightweight aluminum.