GFB Mach 2 TMS BOV
(Fitted with Whistling Trumpet)
The GFB Mach 2 inlet hose fitting is 33-34mm and will work with EVO 5-9 BOV hose.
Nissan Silvia S13 to S15 SR20DET BOV hose.
Universal Custom application.
A 33-34mm block off plug is included, this is used to block off the recirculating hose fitting on the original turbo intake pipe.
Allen key to adjust the BOV spring pre-load tension.