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As the name suggests, the GFB Respons is designed specifically with the aim of improving throttle response and reducing turbo lag. What’s TMS? GF...

About Us Shipping Return Policy Payments Feedback About Us Our goal is to provide a hassle-free shopping experie...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

The 5730 can be used with any of the Go Fast Bits range of fuel pressure regulators for those wanting to have a quick visual way of monitoring fuel...

Feel the difference, instantly with the PERRIN Super Shifter Stop. Remove loose and sloppy shift gate feel within minutes--no special tools require...

MANUFACTURER PART # PJP-BDY-100 Color: Black 3" Short Antenna Replace your long factory antenna with a PERRIN Short Antenna to tidy up the ...

Perrin Front Mount Intercooler Hose Clamp Kit Warranty: 5 Year Brand: PERRIN Performance Manufacturer Part Number: PSP-ITR-413 Fitment Type...

Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower a...

Upgrade your reverse lockout lever with a the PERRIN smooth glide reverse lockout lever. *Why do I want this?* The PERRIN Performance reverse lo...

This is a direct replacement for the 2015-2020 WRX & STI Intakes. It will also work on any intake system which accepts a 2.75" filter. Warran...

*The Hybrid is Back!* Celebrating 20 Years Since the World’s First Dual Outlet Blow-Off Valve In a time before Justin Bieber, Y2K, and even Googl...

Perrin Top Mount Intercooler Coupler Fitment Type: Performance/Custom Warranty: 5 Year Brand: PERRIN Performance Manufacturer Part Number: ...

For weekend track drivers or people looking for a show ready appearance. PERRIN Tow Hooks will give your ride a sporty look without breaking the ba...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

Part Number: gfbT9003 Description: Respons BOV Add-On: 5701 Title: Go Fast Bits RESPONS dual outlet BOV/Diverter Valve; patented venting bia...

You asked, GFB delivered. A full sweet of GFB Blow Off Valve Accessories. *Whistling Trumpet* - A replacement trumpet that gives a different soun...

GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining the ...

*Upper Radiator Mount* Dress up your engine bay with PERRIN Performance radiator stays. The look of these thick radiator stays will impress with...

ALL THE PERFORMANCE WITH THE NOISE! The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so succes...

 GrimmSpeed 2020+ Subaru Outback TRAILS Fender Shrouds - Green UPC: 850037989201 Brand: GrimmSpeed MPN: TBG114022.3 Manufacturer Part Numbe...

MANUFACTURER PART # 096059The original GrimmSpeed Fender Shrouds for the 15+ chassis were SUCH a big hit that we decided to introduce a unique set ...

GrimmSpeed 2015+ Subaru WRX/STI Fender Shrouds - Red Brand: GrimmSpeed Custom Bundle: No Fitment Type: Performance/Custom Manufacturer Part...

Manufacturer's Description:The Perfect Upgrade For The Weight Conscious Enthusiast...GrimmSpeed has always been on the forefront of innovation whe...

Pressing Subaru brakes leaves a lot to be desired, especially when every inch counts in a race or when you are depending on them to save your life!...