vacuum exhaust cutout
1.By using the vacuuming method ,it makes the valve rotate stronger , faster and quieter!
2.Enjoy both sound volumes by either quietly cruising in the city, or enjoy the roaring sound when driving on the open roads or in the suburbs.
3.Features of compact .lightweiht ,and adjustable combinations all come together to maximize the product performance and adaptability for various vehicles
exhaust valve vacuum Detail Picture:
vacuum exhaust cutout Detail Package Picture: