Grimmspeed Post MAF Hose Kit Red 2002-2007 WRX / 2004-2007 STI / 2004-2008 Forester XT YMM_2019_Impreza featuring CNC-machined aluminum construction with

featuring CNC-machined aluminum construction with a corrosion-resistant black finish

Spring Rates are 8k Front / 8K Rear regardless of spring selection

the stock intercooler quickly becomes a limiting factor

It’s the perfect upgrade for enthusiasts seeking reliable power gains without complicated installation

this indicator panel seamlessly integrates with compatible CTEK chargers like the UC 800

Grimmspeed Post MAF Hose Kit Red 2002-2007 WRX / 2004-2007 STI / 2004-2008 Forester XT YMM_2019_Impreza featuring CNC-machined aluminum construction withThe factory post MAF hose on your Subaru works, but its restrictive and prone to disrupting airflow. The GrimmSpeed Post MAF Hose Kit fixes these shortcomings while adding an OEM+ look to your engine bay. Designed with performance and precision in mind, this hose improves airflow and turbo response without requiring a full intake upgrade. Features: Smooth Inner Surface: Eliminates restrictive corrugated folds of the OEM hose, reducing airflow