Air and Fuel› Superchargers, Turbochargers and Components

Go Fast

Mach 2 TMS Recirculating Diverter Valve

$198.90

SKU: T9101

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Go Fast Bits Mach 2 TMS Recirculating Diverter Valve is a direct factory replacement designed for performance without noise. It utilizes proven TMS technology to ensure dependable boost holding and optimum throttle response.

An atmosphere venting kit is available separately to convert the recirculating valve for those who desire audible performance.
Show original supplier description
The Go Fast Bits Mach 2 TMS Recirculating Diverter Valve is a direct replacement part designed to enhance performance by improving boost response. This results in improved throttle response and a more immediate power delivery. The valve is configured as a 100% recirculating (bypass/plumb-back) unit, offering a quiet performance upgrade that directly replaces the factory component. For users seeking audible turbo venting (VTA), an atmosphere conversion kit is available separately. It is specifically listed as an application for the 2008-2014 Subaru WRX. Key features include the ability to handle boost pressures of up to 110psi and a simple, direct bolt-on installation process. All necessary accessories for installation are included in the box.
Vehicle Symptoms
  • Delayed throttle response after gearshift
  • Fluttering or stalling during boost
  • Whistling noise from engine bay
  • Loss of boost pressure during acceleration
  • Rough idle after hard driving
Relevant Conversations
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  • Subaru WRX throttle response upgrade
  • P0234 overboost code after BOV install
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  • WRX stuttering under boost fix
  • Upgrade diverter valve before tuning

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGo Fast
Part NumberT9101
CategoryAir and Fuel
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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