IPD 991.1 Turbo / S Plenum ('13-16' Model Year) MOTORSPORT this limited adjustability is insufficient

this limited adjustability is insufficient

SOUND:  Don’t worry about starting up your Boxster in your garage – valves are closed by default

19 lbs vs 25

Direct Bolt on Replacement

During dyno testing on a Dynojet

IPD 991.1 Turbo / S Plenum ('13-16' Model Year) MOTORSPORT this limited adjustability is insufficient991. 2 Turbo S GT2RS Plenum IPD took delivery of its 991. 2 Turbo S and the R&D started the second it arrived at its new home. The Turbo doesnt substantially benefit from any one particular upgrade, but the sum of its improvements deliver a superior overall Turbo compared to the already impressive 991. 1 Turbo it replaces. Yes, we know this Turbo is faster than the previous generation with 20 more horsepower but its the combination of lightening