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IAG Silver MAF Sensor Block Off Plate For 2002-...

The IAG Performance MAF Sensor Block Off Plate for the 2002-07 Subaru WRX / STI is designed to se...

The IAG Performance MAF Sensor Block Off Plate for the 2002-07 Subaru WRX / STI is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block off plate can be used in a wide range of aftermarket intake applications utilizing a stock-style MAF flange.The IAG block off plate is engineered and manufactured in our own facility in Westminster, Maryland. The product is machined from 6061 billet aluminum, and each...

$42.00

Post MAF Hose Kit BLACK - 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 $7,552.00

Aluminum Turbo Inlet - Subaru 17-21 WRX

Don't risk cracking your OE plastic inlet. One of the biggest complaints we’ve heard from 2015-21...

Don't risk cracking your OE plastic inlet. One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inlets from removal, installation or just general wear and tear. As the plastic inlet ages and becomes brittle, it has a tendency to separate around the BPV and/or turbo flange portion of the piece. Since the inlet is one of the most critical components for metered air and consistent performance, cracks or separation can lead to ...

$192.00

IAG MAF Sensor Block Off Plate For 2008-14 Suba...

The IAG Performance MAF Sensor Block Off Plate for the 2008+ Subaru WRX, 2008-20 STI & 2005-0...

The IAG Performance MAF Sensor Block Off Plate for the 2008+ Subaru WRX, 2008-20 STI & 2005-09 LGT is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block off plate can be used in a wide range of aftermarket intake applications utilizing a stock-style MAF flange.The IAG block off plate is engineered and manufactured in our own facility in Westminster, Maryland. The product is machined from 6061 bi...

$42.00 $7,552.00

MAF Block-Off Plate - Subaru 08-14 WRX, 08+STI

If you upgrade your Subaru to a Blow-Through System you will need a way to block off the location...

If you upgrade your Subaru to a Blow-Through System you will need a way to block off the location where the old MAF Sensor was. The GrimmSpeed MAF Block Off Plate allows you to do just that! This compact design features black anodized aluminum for a very clean finish. We have taken it one step further and contoured the bottom of the plug to the diameter of the intake piping so the plug is not in the way of flow! - Easy to Install, under 2 minutes.- Durable o-ring for a perfect air tight seal....

$44.00

MAF Block-Off Plate - Subaru 02-07 WRX/STI

If you upgrade your Subaru to a Blow-Through System you will need a way to block off the location...

If you upgrade your Subaru to a Blow-Through System you will need a way to block off the location where the old MAF Sensor was. The GrimmSpeed MAF Block Off Plate allows you to do just that! This compact design features black anodized aluminum for a very clean finish. We have taken it one step further and contoured the bottom of the plug to the diameter of the intake piping so the plug is not in the way of flow! - Easy to Install, under 2 minutes.- Durable o-ring for a perfect air tight seal....

$50.00

TGV > Engine Gasket(Pair) 02-14 WRX, 04-21 STI,...

Set of GrimmSpeed TGV to Engine Gaskets. We recommend replacing these any time you pull your TGVs...

Set of GrimmSpeed TGV to Engine Gaskets. We recommend replacing these any time you pull your TGVs off. These come as a pair, pick up an additional pair of these to match up with your GrimmSpeed Phenolic Spacers.  Note:The pin holes are deliberately made to be slightly smaller than the guidance pins, use a small socket during installation to push them onto the pins so that the gasket stays tightly in place as you install the TGVs/manifold. Applications: 02-14 WRX 04-20 STI 04-13 FXT 05-13 LGT

$13.00

Sound Generator Plug Kit RED - Subaru 15-17 STI...

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