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Sound Generator Plug Kit BLACK - Subaru 15-17 S...

A simple way to clean your bay. Simplify your 2015-17 STI engine bay with The GrimmSpeed Sound Ge...

A simple way to clean your bay. Simplify your 2015-17 STI engine bay with The GrimmSpeed Sound Generator Plug Kit. The stock sound generator is an unnecessary system that contributes to a cluttered engine bay and can give an unwanted, artificial sound inside of the car. The problem with getting rid of this clunky setup is that you’re left with a hole in the intake tract. The GrimmSpeed Sound Generator Plug Kit is your solution.  This piece is a high quality machined, anodized and laser-etched...

$36.00

Post MAF Hose Kit RED- Subaru 15-21 WRX

Less turbulent air means better flow. Increased flow equals more power! Our post MAF hose constru...

Less turbulent air means better flow. Increased flow equals more power! Our 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 ret...

$163.00

Post MAF Hose Kit BLACK - Subaru 15-21 WRX

Less turbulent air means better flow. Increased flow equals more power! Our post MAF hose constru...

Less turbulent air means better flow. Increased flow equals more power! Our 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 ret...

$163.00

Post MAF Hose Kit RED - Subaru 15-17 STI (w/ OE...

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the c...

Add a touch of class to your bay! 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. 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 necessary ...

$77.00 $7,543.00

Post MAF Hose Kit BLACK - Subaru 15-17 STI (w/ ...

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the c...

Add a touch of class to your bay! 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. 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 necessary ...

$77.00 $7,543.00

Post MAF Hose Kit RED - Subaru 08-14 WRX/STI, 1...

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the c...

Add a touch of class to your bay! 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. 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 necessary ...

$77.00 $7,543.00

Post MAF Hose Kit BLACK - Subaru 08-14 WRX/STI,...

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the c...

Add a touch of class to your bay! 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. 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 necessary ...

$77.00 $7,543.00

Post MAF Hose Kit RED - Subaru 02-07 WRX/STI

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the c...

Add a touch of class to your bay! 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. 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 necessary ...

$77.00 $7,543.00