- DIAMETER :
- S-18mm（Suitable for motorcycles ）
- M-23mm（Suitable for mini cars）
- L-27mm（Suitable for all Cars）
- XL-31mm（Video display model）
- Please make sure the tailpipe is big and long enough to Oversized Exhaust Pipe Roar
- Professional installation is always recommended
- Please check and re-tighten the bolt regularly.
After installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system or blow off valve.
Made of high quality aluminum, light weight and durable.
Easy to install on the car's tailpipe.
- Loosen the bolt on the Turbo Sound Whistle.
- Insert the the Turbo Sound Whistle into the tailpipe.
- Tighten the bolt so as not to fall off while driving.
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