Grimmspeed Post MAF Hose Kit BLACK - Subaru 08-14 WRX/STI, 18-20 STI (125011) 1664 The angled slots pull in

The angled slots pull in cool air for cooler brake operation which helps your brakes perform at their best

NA1-HDR6 kit features ACT's most popular Heavy Duty pressure plate

Upgrading options: Equipping the Performance Mid Pipes or an Axle Back with intentions to add another section later

Cartridge 2011 KTM 450 EXC Cartridge

Grimmspeed Post MAF Hose Kit BLACK - Subaru 08-14 WRX/STI, 18-20 STI (125011) 1664 The angled slots pull inSome 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. We've now got you covered with The GrimmSpeed Post MAF Hose Kit that not only looks better, but fixes the flaws of its OE counter part. Our hose construction improves flow with 2 main features: The first is the smooth inner surface, removing the pockets from the OE corrugated folds. These folds are