Fabspeed Porsche 911 Carrera 3.2 CUP Billet Aluminum Super High Performance Airbox Cover (1984-1989) Cap If you are using a

If you are using a GT3 throttle body

NOTE: Fabspeed recommends using these Side Mufflers in conjunction with a Center Muffler Bypass X-Pipe for non-PSE equipped cars

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OEM airboxes are compromised by their need to muffle induction sound which is why our Competition Intake is able to improve power by 24 whp (wheel horsepower) and 19 ft-lbs

2 liter black plastic front intake airbox cover lid

Fabspeed Porsche 911 Carrera 3.2 CUP Billet Aluminum Super High Performance Airbox Cover (1984-1989) Cap If you are using aHP: +7. 2 TQ: +7 WT (lbs): 2 The design of this CARRERA CUP 3. 2 liter airbox cover was inspired by factory Porsche Cup Cars. Porsche AG simply CUT AWAY the stock plastic airbox so it was simply a picture FRAME holding the stock paper filter in place . Porsche Motorsport quoted over a +9hp gain on a 964 3. 6 liter CUP car So basically Fabspeed Motorsport replicated this proven design in CNC machined aluminum so the valuable and rare Porsche airbox