Sounds

Hear for yourself how GFB blow off valves sound!

Deceptor Pro II

Fully Recirculated

Standard Trumpet Atmosphere Drive-by

Standard Trumpet Drive-by

Standard Trumpet In-car

Mach 1

Fully Recirculated

Standard Trumpet Atmosphere Drive-by

Standard Trumpet Drive-by

Standard Trumpet In-car

Respons

Recirculated

Standard Trumpet Atmosphere Drive-by

Standard Trumpet Drive-by

Standard Trumpet In-car