Porsche 991 Turbo Performance Diverter Valves Sport Catalytic Converters you’ll experience more horsepower

you’ll experience more horsepower

Fits all Porsche 997 GT3 / GT3RS vehicles 2006-2009

Saves an impressive 16 lbs / 7

there is no need to remove

Porsche 991 Turbo Performance Diverter Valves Sport Catalytic Converters you’ll experience more horsepowerThe Flat 6 Motorsports by EVOMS Performance Diverter Valves replace the cheap OEM plastic diverter valves that are prone to leaking boost with tuned and even stock 911s. Flat 6 Motorsports has partnered with Evolution Motorsports (EVOMS), a renowned Porsche tuning company to offer a high quality diverter valve solution. We leveraged their expertise in tuning high powered Porsche vehicles for decades. Paired with precision manufacturing, these EVOMS