GFB Respons TMS with Whistling Trumpet
Suits: EVO 5, 6, 6.5, 7, 8, 8MR, 9 IX, and X.
GFB Respons is an adjustable blow off valve which is half venting and half plumb back.
Performance and sound without compromise!
Hold unlimited boost pressure.
Adjust the volume of your blow-off sound.
Up to 30% faster boost recovery on gearshift.
Get the blow off sound without the hassles - even on sensitive MAF-based systems.
The whistling trumpet produces a unique sound and sets it apart from all the other BOV's on the market.