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Tiktok Viral Grimmspeed Version 2 Bypass Valve - 2004-21 Subaru Sti, 2002-07 Subaru Wrx - Beat The Rush [nN7ZwuHe]

$51.99 $166.99 -69%

GrimmSpeed Bypass Valve - Performance Enhancement for Subaru EnthusiastsIntroducing the GrimmSpeed Version 2 Bypass Valve, the ultimate solution for Subaru STI and WRX owners seeking to maximize their vehicle's performance without compromising on qua

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Tiktok Viral Grimmspeed Version 2 Bypass Valve - 2004-21 Subaru Sti, 2002-07 Subaru Wrx - Beat The Rush [nN7ZwuHe]

GrimmSpeed Bypass Valve - Performance Enhancement for Subaru Enthusiasts

Introducing the GrimmSpeed Version 2 Bypass Valve, the ultimate solution for Subaru STI and WRX owners seeking to maximize their vehicle's performance without compromising on quality. This innovative bypass valve is designed to eliminate the issues associated with leaky BPVs, providing a seamless driving experience. With its improved design and robust construction, the GrimmSpeed Bypass Valve stands out as a must-have upgrade for your Subaru.

Advanced Design and Enhanced Performance

The GrimmSpeed Bypass Valve is engineered to deliver exceptional performance and reliability. Key features include a redesigned internal piston, which eliminates potential failure points, and an updated spring tension for optimal operation. The main body has been redesigned for a better CNC milling finish, ensuring a precise and durable fit. Additionally, the internal brass piston has been replaced with a lighter weight hard aluminum piston, resulting in improved valve response. This upgraded design guarantees double the pressure capacity of the stock unit, making it perfect for high-performance applications.

Perfect Fitment and Easy Installation

The GrimmSpeed Bypass Valve is designed to fit seamlessly into your Subaru STI or WRX, offering a plug-and-play installation that requires no additional tuning or adjustment. Crafted from CNC-machined 6061 aluminum alloy, this bypass valve boasts a corrosion-resistant anodized finish available in black or red. It features an oversized 38mm anodized aluminum piston for superior flow and a swivel air fitting for easy installation and custom setups. The GrimmSpeed Bypass Valve is the ideal choice for Subaru enthusiasts who demand the best in performance and aesthetics.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

A truly top-of-the-line piece of gear.

- Ranulph R..

January 27, 2026

Absolutely no complaints!

I'm happy with my product and its entire, whole, great, great, great purchase.

- Ysbaddaden H..

January 27, 2026

Absolutely no complaints!

Well made, great price, a very, very, very happy customer.

- Bendigeidfran F..

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