Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009 vendor_ISR Performance 4 - Vented Dual Inlet

4 - Vented Dual Inlet Instructions

They are structurally the same but the 151 has an internal baffle and does not spray oil everywhere like a shower head when the drain plug is removed

Part #: DS71995511415BZ

2007 Plus C

Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009 vendor_ISR Performance 4 - Vented Dual InletSome 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