Grimmspeed Red Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125010 Vehicle Model_WRX Performance Over Stock: 4 –

Performance Over Stock: 4 – Track/Towing

reduces carbon build-up

LogWorks software included for advanced analysis

Part #: ACR-1853

PEDAL FEEL: Light / Medium with Aggressive Engagement

Grimmspeed Red Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125010 Vehicle Model_WRX Performance Over Stock: 4 –Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. GrimmSpeed now has you covered with our all new Post MAF Hose Kit which not only looks better, but fixes the performance flaws of its OE counterpart. Our Post MAF Hose construction improves flow with 2 main features: The first is the smooth inner surface, removing the pockets from the OE structural