Turbosmart Plumb Black Bypass Valve [Blue] - Subaru WRX 2002-2007 / STi 2004-2021 Billet Pistons 26% HP / +34

26% HP / +34

Following the success of his signature Turbomac wheel

Higher load capacity through advanced materials

Focus ST 2013-2018 3k tow 2x2 Twill Carbon Fiber Construction

Adjustable Traction Control: Adjust target traction slip on the fly (Slots 1-8) and maximize tire grip to best suit given track conditions (wet/damp/dry/street/slip/burnout/etc)

Turbosmart Plumb Black Bypass Valve [Blue] - Subaru WRX 2002-2007 / STi 2004-2021 Billet Pistons 26% HP / +34Quiet and completely street legal! A full recirculating BOV, ideal for WRX & STI enthusiasts who dont want to be noticed. Easy to install and set up. When Turbosmart began making performance products back in 1997, a great amount of effort was put into the design and manufacturing process to ensure our products created a new standard. More hand crafted than mass produced, Turbosmart products quickly gained acceptance within the performance community