Plenum Porsche 997.1

Extremely high flowing plenum for Porsche 997.1.
Advantages:
- Available to order for both original (74mm) and GT3 (82mm) throttle bodies.
- do88 Plenum is Y-shaped for greatly improved flow. Compared to the original plenum, our plenum customised for GT3 casings flows 34% better! And our plenum customised for original damper housings flows 18% better!
- High quality moulding with CNC machined connections.
- Smooth inside for best airflow.
- Supplied with all necessary accessories for assembly.

Fits:
Porsche 911 (997.1)
Year models: 2007-2009
Engine: Turbo