Fabspeed 981 Cayman GT4 Spyder Valvetronic Exhaust System (FS.POR.981GT4.VLVB) 40310 It can be converted to

It can be converted to a Short Ram system

For use on downstream secondaryoxygen sensors Only - Do NOT install the spacers on the headers themselves

7 (J65) 1990 Pontiac Firebird Engine: 5

5" high flow catted Y-pipe mid pipe kit to allow a direct connection to the catback exhaust system

fully illustrated instruction manual to make the installation process easy clear and simple

Fabspeed 981 Cayman GT4 Spyder Valvetronic Exhaust System (FS.POR.981GT4.VLVB) 40310 It can be converted toFabspeed's Valvetronic Exhaust System is the ultimate cat back setup for the ultimate street drivable GT4 dual use street track car. New anti resonance technology makes for an even more enjoyable experience. SOUND: We're proud to offer a premium exhaust solution for the Porsche Cayman GT4. Our Valvetronic Exhaust offers two distinct tones depending on valve position: mild and wild. It was important to retain civility around town with valves closed,