COBB LF Bypass Valve 2002-2007 WRX / 2004-2021 STI / 2006-2008 FXT

The C.A.R.B. Certified COBB LF Bypass Valve is engineered for high-performance applications on 2002-2007 WRX, 2004-2021 STI, and 2006-2008 FXT models. Its compact, lightweight design reduces control volume by 30%, enabling rapid boost venting and improved throttle response. Precision manufacturing ensures durability under high boost pressures without leaks. The innovative Banjo-fitting vacuum port offers 360-degree hose routing flexibility, simplifying installation and minimizing potential leak points. With reduced moving mass, this valve delivers faster actuation compared to traditional bypass valves, making it an ideal upgrade for enthusiasts seeking reliable, efficient boost control.