GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 DelSol_1993-1997 Part #: W63398

Part #: W63398

Ultra Series Radiators are built to withstand harsh elements as well as against years of under-hood heat cycling

Roto-molded HDPE intake tube paired with oversized oiled cotton air filter

and durability become critical under aggressive tuning

S-line carbon fiber items can add a beautiful touch to the interior of your vehicle without breaking the bank

GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 DelSol_1993-1997 Part #: W63398GrimmSpeed Top Mount Intercooler Dyno Ducts are intended for use on a vehicle that's being dyno tuned. As your car moves through the air on the street, your hood scoop collects a massive amount of air. This is quite difficult to simulate on a dyno without the proper equipment, so our engineering team decided to design these ducts for use during product testing. It quickly occurred to us that this might be a product that other shops and tuners would be