IPD Intake Plenum Porsche 997.2 Carrera 3.6L Red/Silver Calipers The FIA-8859-2015 certified GP-5W helmet

The FIA-8859-2015 certified GP-5W helmet has M6 threaded washer/nuts with 6mm threads pre-installed

Porsche Cayman GT4 Clubsport (FIA GT4 homologated) GT4CS

Six-Lug Hub Center

Dish (depth front to back) - 39mm

and rear-facing vents to help with air exchange and provide clear vision while racing in the elements

IPD Intake Plenum Porsche 997.2 Carrera 3.6L Red/Silver Calipers The FIA-8859-2015 certified GP-5W helmetIPD Plenum for Porsche 997. 2 911 Carrera 3. 6L Porsches DFI (Direct Fuel Injection) intake was a completely redesigned intake system developed to deliver improved performance, fuel consumption and lower emissions by optimizing the air fuel mixture directly inside the combustion chamber. The DFI Porsche engine package is a finely tuned performance machine and additional power has proved difficult to find. The unique design of Porsches new DFI intake