·[High quality material]: The exhaust muffler pipe flute is made of high-quality aluminum alloy, which has the characteristics of rust prevention, corrosion prevention and durability.

·[Use Instructions]：XL is suitable for the displacement of more than 2.4,(the sound level of the acoustic turbine whistle of the exhaust pipe is related to the exhaust thrust. The exhaust thrust of the original vehicle of some models is small or the modified tailbone may lead to low or no sound.)

·[Working principle]: XL Size Aluminum Alloy Universal Turbo Sound Exhaust Muffler Pipe Whistle Car Roar Make,This is a whistle, which simulates the sound of turbine pressure relief, and the air flow through the exhaust pipe makes sound.

·[Easy to install]：Without drilling, loosen the bolts on the turbine sound whistle, place the turbine sound whistle body inside the exhaust muffler, with the larger opening facing inside the muffler, Tighten the bolts to avoid falling off when driving.

·[Turbo Whistle Muffler]:The Car Turbo Whistle is sleek and beautiful in appearance Suitable for most cars and trucks, making it the first choice for decorating cars.