Overview Reviews Product Description Turbo XS 02-07 WRX/ 04-09 STi 50/50 Racing Bypass Valve Product Videos Custom Field Product Reviews Write a Review Write a Review × Turbo XS TurboXS 50/50 Hybrid Racing Bypass Valve for 02-07 Subaru WRX / STI - WS-HYB Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *