Go Fast Bits Blow Off Valve Whistling Trumpet Attachment Low Boost - Universal PDM_multi-disc-clutches Includes (4) Allen socket head

Includes (4) Allen socket head mounting screws

Adjustable Rear Toe Arm is available for those who need to achieve a more aggressive toe angle for high-performance driving or to help with fitment of custom wheels and tires

Excess oil-saturated air circulating back into the air intake stream can lead to degraded performance

GD WRX/STI and SG Forester Rear Suspension

The maximum front stiffness option for the GD WRX

Go Fast Bits Blow Off Valve Whistling Trumpet Attachment Low Boost - Universal PDM_multi-disc-clutches Includes (4) Allen socket headGo Fast Bits Blow Off Valve Whistling Trumpet Attachment Low Boost Universal RallySport Direct carries a great selection of performance upgrades and accessories brought to you by Go Fast Bits. This is the Go Fast Bits Low Boost Blow Off Valve Whistling Trumpet Attachment for many Go Fast Bits Blow Off Valve. This attachment has been designed to change the sound of your blow off valve by creating an aggressive whistle at low boost levels. DETAILS: