IPD 987.2 Cayman/Boxster S 3.4L 74mm Plenum ('09-'12) (87474-3.4) 1537 A frenzy of burbling and

A frenzy of burbling and crackling erupts with every application of the throttle

Our design expands into the available space below the engine

K04 Springs (MK6 R)

Subaru also includes banjo bolt filters from the factory that can get gummed up with sediment and cause oil starvation

E46 2006 BMW 330i E46

IPD 987.2 Cayman/Boxster S 3.4L 74mm Plenum ('09-'12) (87474-3.4) 1537 A frenzy of burbling andWorks with Factory 74mm Throttle Body Porsche's introduction of their DFI (Direct Fuel Injection) intake was a totally and completely redesigned intake system developed to deliver improved performance, fuel consumption and 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