Porsche 991 Turbo Performance Diverter Valves Sport Catalytic Converters All hardware included

All hardware included

VALVES CLOSED: Enjoy our signature Supersport exhaust sound

which changes the harmonics of the pipe and improves durability

Fits all Porsche 997 GT3 / GT3RS vehicles 2006-2009

Replace the factory midpipe with a hand fabricated X-Pipe for a more exotic Ferrari V8 sound

Porsche 991 Turbo Performance Diverter Valves Sport Catalytic Converters All hardware includedThe 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