GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 DelSol_1993-1997 Designed specifically for Subaru WRX

Designed specifically for Subaru WRX applications

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

raw exhaust note with strong mid-range presence

Lower and more stable intake air temperatures

Part #: BSF48Z

GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 DelSol_1993-1997 Designed specifically for Subaru WRXGrimmSpeed 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