Go Fast Bits Hyundai/Kia Deceptor Pro II Remote Adjustable Blow-Off Valve

Go Fast Bits Hyundai/Kia Hybrid Dual Outlet Blow-Off Valve

In a time before Justin Bieber, Y2K, and even Google, the year is 1998 and GFB’s founding engineer John Adrian is so sick of his new WRX stalling with an atmosphere-venting BOV he decided he...

Go Fast Bits Hyundai/Kia Mach 2 TMS Blow-Off Valve

Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears (more information below). Recirculation...

Go Fast Bits Hyundai/Kia Respons TMS Blow-Off Valve

On the surface, it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB’s patented venting bias adjustment system, the Respons...

Go Fast Bits Hyundai/Veloster/KIA DVX Dual Venting Blow-Off Valve

The DVX is not just a noise maker (like BOV spacers) – by modifying the valve operation method it offers the same PERFORMANCE BENEFITS that the DV+ does. It retains ECU...

Go Fast Bits Kia Stinger Blow-Off Valves Kit (Mach 2 & Respons Included)

On the surface, it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB’s patented venting bias adjustment system, the Respons...

Go Fast Bits Kia Stinger Combination Mach 2 & Deceptor Pro 2 Deceptor Pro II Remote Adjustable Blow-Off Valves (set)

Now you can control the sound of the BOV from inside the cabin! So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even...

Go Fast Bits Kia Stinger Deceptor Pro II Remote Adjustable Blow-Off Valve (pair)

Now you can control the sound of the BOV from inside the cabin! So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even...

Go Fast Bits Kia Stinger V6 Hybrid Dual Outlet Blow-Off Valves (pair)

Featuring two “staged” venting outlets (one for recirc, one for atmosphere), at low valve lifts most of the air is recirculated to keep the noise to a minimum. However, when lifting off...

Go Fast Bits Kia Stinger V6 Mach 2 TMS Blow-Off Valves (pair)

Using GFB’s TMS technology for the Kia Stinger the Mach 2 can help return the engine to peak boost up to 30% faster than the factory diverter valves during throttle modulation. Recirculation...

Go Fast Bits Kia Stinger V6 Respons TMS Blow-Off Valves (pair)

On the surface, it may look like just another dual-port blow-off valve, but the Respons is actually much more than that. Featuring GFB’s patented venting bias adjustment system, the Respons...

Go Fast Bits Low Boost Whistling Trumpet

  Whistling TrumpetYou asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is. 5702-image-1The ability to change the sound of...