Kline Valvetronic Cat Back Exhaust w/OAP 718 Cayman/Boxster GTS 4.0 | GT4 | Spyder w/Heat Shield Optional Tips::Inconel 625 HELICAL exhaust valves are the

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Plug-and-play valves that completely retain the factory exhaust valve functionality

bringing this incredible technology to the masses

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Dry Carbon Fiber V-Frame Tailgate with HD Lightweight PC Glass (View Details)

Kline Valvetronic Cat Back Exhaust w/OAP 718 Cayman/Boxster GTS 4.0 | GT4 | Spyder w/Heat Shield Optional Tips::Inconel 625 HELICAL exhaust valves are theKline Valvetronic Cat Back Exhaust w OAP 718 Cayman Boxster GTS 4. 0 GT4 Spyder. The Porsche Cayman 718 gt4, revered as the pinnacle of track orientated weaponry, at 414 hp the flat 6 has the power to weight ratio to put in some blistering lap times. So how could we improve on this epic automobile? Add lightness, tune the sound, and add performance! THE SOUND Removal of the heavy chambered rear silencer, and replacing it with a lightweight F1 grade