GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 Wheel Bolt Pattern_5x114.3 Part #: DS218105511422HB

Part #: DS218105511422HB

Part #: P2-ENRR35-GM

Competition Plus PQ Series Valve

Increases airflow

GrimmSpeed Top Mount Intercooler Dyno Duct Subaru WRX 2015-2021 | 090099 Wheel Bolt Pattern_5x114.3 Part #: DS218105511422HBGrimmSpeed 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