About this item

• Whistle Muffler Size: S/M/L/XL
• Universal fits for all vehicle with correct size. Note: The car has a large displacement, the sound will be more obvious.
• Installation: Loosen the bolt on the sound whistle. Insert the sound whistle into the tailpipe. Tighten the bolt so as not to fall off while driving.
• Made of aluminum alloy material, portable and durable.
• Package Included: 2 x Whistle Muffler, 2 x Wrench, 2 x Screw

Small/applicable displacement:1.1-1.6Applicable exhaust pipe caliber:32-43mm.

Large/Applicable displacement: 2.0-2.4Applicable exhaust pipe caliber: 44-65mm.


About size selection: Please measure the inner diameter of your car's tailpipe first, compare the size with the picture below and choose the right size.

size. Under the premise of suitable, try to choose a larger one.

Sound similarity: the real turbo pressure relief valve issued by the sound is generally “bared, bared” ringing while the whistle issued by the “boo, boo” ringing

This whistle makes a “boo, boo” sound, similar to the whistles we blow on a daily basis. After all, it's a replica speaker and technically it's no better than the real thing, so that's about it.