

| SKU | GFBT9100 |
| MPN | T9100 |
| EAN | 9328022000312 |
| Units per SKU | 1.0 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Subaru | Forester | XT |
| 1999-2000 | Subaru | Impreza | L |
| 1999-2000 | Subaru | Impreza | Outback |
| 1999-2000 | Subaru | Impreza | RS |
| 1998-2000 | Subaru | Legacy | Brighton |
| 1998-2002 | Subaru | Legacy | GT |
| 1998,2000-2002 | Subaru | Legacy | GT Limited |
| 1998-2002 | Subaru | Legacy | L |
| 1999 | Subaru | Legacy | L 30th Anniversary |
| 1999 | Subaru | Legacy | Limited 30th Anniversary |
| 1998-1999 | Subaru | Legacy | Outback |
| 1999 | Subaru | Legacy | Outback Limited |
| 1998 | Subaru | Legacy | Postal |
| 1999 | Subaru | Legacy | SUS 30th Anniversary |
Experience the ultimate control and performance upgrade with the GFB Mach 2 TMS Recirculating Diverter Valve, specially engineered for Subaru vehicles including the 99-00 WRX, STi, B4 Legacy, and 98-04 GT and XT Forester models. This blow off valve fits perfectly into the forced induction system, offering reliable pressure management and enhanced throttle response to keep your turbocharged engine running smoothly under demanding conditions.
Manufactured by Go Fast Bits, a trusted name in high-performance tuning parts, the Mach 2 BOV kit combines durability with precision engineering to meet the needs of enthusiasts who demand more from their cars. Its design helps reduce compressor surge and turbo lag, ensuring your engine maintains power and efficiency with every shift.
The valve features a direct replacement fit for the factory diverter valve, making installation straightforward without the need for additional modifications. Ideal for street or motorsport use, it provides a noticeable improvement in sound and performance, giving your Subaru a distinctive and aggressive blow off valve sound that also turns heads.
With a focus on competitive pricing and no hidden fees, Tuningsupply offers the GFB Mach 2 kit with fast, Europe-focused shipping and expert enthusiast support. Elevate your Subaru's forced induction setup with a component that's been designed and tested for reliable operation and performance.
Manufactured by Go Fast Bits, a trusted name in high-performance tuning parts, the Mach 2 BOV kit combines durability with precision engineering to meet the needs of enthusiasts who demand more from their cars. Its design helps reduce compressor surge and turbo lag, ensuring your engine maintains power and efficiency with every shift.
The valve features a direct replacement fit for the factory diverter valve, making installation straightforward without the need for additional modifications. Ideal for street or motorsport use, it provides a noticeable improvement in sound and performance, giving your Subaru a distinctive and aggressive blow off valve sound that also turns heads.
With a focus on competitive pricing and no hidden fees, Tuningsupply offers the GFB Mach 2 kit with fast, Europe-focused shipping and expert enthusiast support. Elevate your Subaru's forced induction setup with a component that's been designed and tested for reliable operation and performance.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















