Intake System

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Phenolic Thermal Spacer 8mm Impreza 98, 2.5 N/A...

NOTE: When installing spacer on at Impreza Phase 1 Engine you will have to cut your EGR tube in h...

NOTE: When installing spacer on at Impreza Phase 1 Engine you will have to cut your EGR tube in half and insert a heater hose between the the halves of the EGR tube to extend it. In response to the demand to extend our Phenolic Spacer lineup to include some of the older subaru models, we now have created intake manifold thermal spacers for Impreza '98 and Legacy '96-'99 2.5L N/A 'Phase 1 engines'.Thermal spacers lift the intake manifold off the super-heated engine to lessen the trans...

$81.00

Phenolic Thermal Spacer 8mm Impreza 99+, 2.5L N...

In response to the demand to extend our Phenolic Spacer lineup to include some of the older subar...

In response to the demand to extend our Phenolic Spacer lineup to include some of the older subaru models, we now have created intake manifold thermal spacers for Impreza/Legacy/Forester 99+ 2.5 N/A and 99+ 2.2 N/A 'Phase 2' engines.Thermal spacers lift the intake manifold off the super heated engine to lessen the transfer of heat. Both the intake manifold and engine block are aluminum so the high heat transfers very quickly, these spacers stop that. The cooler the intake charge the more HP a...

$81.00

Phenolic Thermal Spacer 8mm Impreza 93-99 1.8L/...

In response to the demand to extend our Phenolic Spacer lineup to include some of the older subar...

In response to the demand to extend our Phenolic Spacer lineup to include some of the older subaru models, we now have created intake manifold thermal spacers for Impreza 93-99 1.8/2.2 engines.Thermal spacers lift the intake manifold off the super heated engine to lessen the transfer of heat. Both the intake manifold and engine block are aluminum so the high heat transfers very quickly, these spacers stop that. The cooler the intake charge the more HP and TQ your engine will make.In addition ...

$81.00

Phenolic Thermal Spacer 8mm 02-14 WRX, 04+STI, ...

Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know a...

Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this age old problem, raising the intake manifold off the engine with GrimmSpeed's Phenolic Intake Manifold/TGV to Engine Thermal Spacer.  Phenolic spacers have been used for years by many other specialized automotive companies, but this is new technology to the Subaru world.  What it does: Great...

$62.00

Phenolic Thermal Spacer 3mm 02-14 WRX, 04+STI, ...

Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know al...

Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this age old problem, raising the intake manifold off the engine with GrimmSpeed's Phenolic Intake Manifold/TGV to Engine Thermal Spacer.  Phenolic spacers have been used for years by many other specialized automotive companies, but this is new technology to the Subaru world.What it does: Greatly ...

$51.00

DRY-CON Performance Panel Air Filter - Subaru/T...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aft...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that not only decreases restriction, producing more torque and horsepower, but is also able to filter out particulates at the same level as the OEM filter to keep your engine safe. QUICK SPECS: Direct O...

$57.00 $7,544.00

DRY-CON Performance Panel Air Filter - Subaru/T...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aft...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that not only decreases restriction, producing more torque and horsepower, but is also able to filter out particulates at the same level as the OEM filter to keep your engine safe. QUICK SPECS: Direct O...

$57.00 $7,544.00

DRY-CON Performance Panel Air Filter - Subaru 9...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aft...

Better Flow, More Power! At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that not only decreases restriction, producing more torque and horsepower, but is also able to filter out particulates at the same level as the OEM filter to keep your engine safe. QUICK SPECS: Direct O...

$57.00 $7,544.00