Go Fast Bits Mach 2 Recirc BOV | 15-21 Subaru WRX / 14-18 Forester XT (T9107)

Go Fast Bits
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$166.50 $185.00Instant Savings of 10% ($18.50)

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15-21 WRX / 14-18 Forester XT Mach 2 Recirc Blow Off Valve

Factory diverter valves are commonly known to leak or fail, especially with age or higher boost levels. A GFB TMS will hold as much boost as you can throw at it, 24/7 - No frequent re-builds or replacement required.

Features

  • BETTER RESPONSE - Through reduced turbo lag - The GFB TMS is designed specifically to minimize lag - tests show that it can return the engine to peak boost up to 30% faster than a factory diverter when shifting gears, while delivering up to 40% more transitional boost(see GFB brochure)
  • BETTER DRIVEABILITY - Smoother than stock. Factory diverters tend to operate fully open or fully shut. This can cause annoying surging at freeway speeds, requiring constant throttle corrections to hold steady speed. The GFB TMS completely eliminates this problem, making the car smoother to drive.
  • GET THE SOUND - OR NOT - It's your choice! Want noise? GFB patented Respons succeeds where others have failed! By adjusting the venting ratio of atmosphere/recirc,you CAN acheive a sound WITHOUT throwing a CEL, running rich, stalling using more fuel or causing other problems commonly associated with atmo-venting valves.

Benefits

  • Easy Installation & Use
  • No More Wasted Boost

Applications

  • 2014-2018 Forester XT
  • 2015-2021 Subaru WRX

What's In The Box?

  • 1 - GFB Mach 2 Recirculating BOV

Reference

Warranty

Customer Reviews

Based on 10 reviews
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O
Owen
Wow!

I see people saying this sounds like stock. No, no it dosent. I love the sound. Was worried about making the wrong purchase. I'm worried no more. I run all the way stiff back off 4 turns.

J
Jj
Gfb bpv

Good quality part, have used a few gfb valves over the years never had any issues with there's Products..Fast shipping ..

Z
Zach
great product

product is exactly what I expected. not a huge diffrence but enough that you can feel. install was easy. finished in about an hour that included warming the engine and test drive to make adjustments. Set it about 2 turns from all the way tight. sounds great and preforms great.

J
Jim
Way better performance!

I purchased this BPV to get a little better throttle response but what I got out of it was never expected. The throttle response is way way better and honestly feels like I have a little more power than before. I wouldn’t say the blow off sound is louder but more distinct which I’m grateful for. I try to lean on the side of sleeper and this was the perfect choice. Love the new sound and not much if any louder. I have mine set to 2 to 3 full turns away from the stiffest setting to avoid surge and still have boost after shifting

J
Jonathan Wilson

Great customer service great price very fast delivery