Grimmspeed Post MAF Hose Kit RED- Subaru 15-21 WRX - 125023.2 44mm NM1-XTR6 kit features an Xtreme

NM1-XTR6 kit features an Xtreme pressure plate for the most demanding driver

HY5-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

AEM Electronics inline wideband UEGO controllers give all the benefits of the AEM Electronics wideband Air/Fuel gauges to those who do not require or want an additional gauge in the car

SB9-HDR6 kit features ACT's most popular Heavy Duty pressure plate

Each kit includes a pre-wired relay receptacle with 80 in

Grimmspeed Post MAF Hose Kit RED- Subaru 15-21 WRX - 125023.2 44mm NM1-XTR6 kit features an XtremeOur post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets from the OE structural corrugated folds. The GrimmSpeed Post MAF Hoses are comprised of 4 ply silicone and unlike our competitor's offerings, are reinforced with an internal stainless steel wire running the length of each piece. This makes our hoses sufficiently flexible and also allows them to retain strong structural properties