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Electrical

Ignition

Intake

Fuel

 

 

 

 

Radiator

Oil

Pulley Kits

Internal

 

 

 

Motor Electrical

Smart Glow Fuse is a line of replacement fuses that glow when they blow. Day or Night when a fuse blows Smart Glow Fuse indicates immediately which fuse needs replacing. Sold 2 per pack.

Available in 10,15,20,25 and 30 AMP

$2.99

Super Ground Kit. During a recent dyno test for D-Sport magazine, the new A'PEX Super Ground System made an outstanding 8.5 horse power to the wheels. Testing was conducted on a 2004 Subaru WRX STi using a four wheel chassis dynamometer. Previous modifications to the car consist of upgraded intake, down pipe, exhaust, and front mount intercooler. Power output was increased throughout the power band with a maximum gain of 8.5hp at 6000 RPM (400 RPM sooner than baseline max power). This test proves the real world capabilities of the Super Ground System.

Power measured at all four wheels using four wheel chassis dynamometer

$214.99

Supertone Horn Kit. Hella Supertone Horn Kit, Long range. Two horns, mounting brackets and relay. Horns are metal disc type. One 300 Hz and one 500Hz. 144 Watts. Includes relay. This is a serious horn. This horn is best on open interstates where you want to warn a truck that he is about to run into you. These horns are manufactured in Germany.

$79.99

Inside this unusual battery is a six-pack of SPIRALCELL TECHNOLOGY®. Traditional batteries have a stack of thick lead plates surrounded by acid. But OPTIMA® batteries feature two thin lead plates wound into a tight spiral cell, with an absorbent glass-mat in between to hold the electrolyte solution. This unique design allows for more power and increased energy, resulting in quick, reliable starts. OPTIMA batteries are the first and only batteries to feature SPIRALCELL TECHNOLOGY. 720 CCA

 
bulletIt will last up to 2 times longer than other batteries.
bulletIt can sit unused 3 times longer than other batteries.
bulletIt is over 15 times more resistant to vibration than other batteries.
bulletIt's non-spill able and can mount in almost any position.
bulletIt provides constant performance quality keeping your battery running at the same level even as it's being discharged.
bulletIt provides more power in the initial 1, 3, 5, and 10 seconds of the vehicle starting process than comparably rated conventional lead acid batteries.

$189.99

Motor Ignition

Iridium IX Spark Plugs for All Impreza, Legacy, Forester and Baja. Iridium IX Spark Plugs are the most technologically advanced high performance plugs available. Featuring a 0.6 mm iridium center electrode tip, they offer superior ignitability without sacrificing durability. The tapered ground electrode increases flame kernel expansion, while the superior heat range design is ideally suited to the demands of high performance environments. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life. When you demand the most from your engine, rely on the proven performance of NGK Iridium IX Spark Plugs.

$12.99 each.
$8.99
each.

Double Platinum Plugs for All Impreza, Legacy, Forester and Baja.  Platinum is a precious metal used by NGK in its long life and/or performance spark plugs. This is because of platinum's high melting point which makes it useful in two ways. On a long life spark plugs a thin wafer of platinum is bonded at the firing point to the center electrode (and possibly ground electrode) solely so they don't wear as fast as a traditional plug. On a fine wire performance plug, the very tip of the center electrode is made of platinum so that the fine wire tip will last longer. Do not be fooled, all platinum plugs are not created equal, Platinum is a very expensive precious metal, a $2 platinum spark plug will not have much platinum in it, and therefore will not last as long as a $12 platinum spark plug. NGK platinum plugs contain the highest platinum content in the industry. Some platinum plugs have only the center electrode tipped with platinum, while others have both the center and ground electrodes platinum tipped. (By the way, it is still not suggested that platinum plugs be used on vehicles with nitrous injection. Thus far, there has been no problems reported regarding using iridium plugs with nitrous.)

$11.99 each.

 KV85 Competition (8.5mm)  Ignition Cables for All Impreza, Legacy, Forester and Baja. Magnecor's exclusive 2.5mm high capacity Metallic Inductance EMI Suppressed conductor consisting of stainless steel wire precisely wound at 200 turns per inch over a ferrimagnetic core. The insulating jacket is made entirely of Magnecor's exclusive TC-1500-HS high strength aerospace grade silicone rubber, and its single layer construction will prolong the jacket's insulating ability by conducting extreme heat away from hot-spots that occur near over-the-limit heat sources.

The KV85 8.5mm jacket has a service heat resistance of 600 degrees F (320 degrees C) and up to 1,000 degrees F (540 degrees C) for short burst 3 minutes. Even if limits are exceeded, the silicone rubber will retain its insulating ability until wires are removed from engine. Magnecor Race Wires are primarily designed and constructed to be used in applications where it is essential to prevent the possibility of ignition wires compromising engine performance. Modern race engines, modified street engines and stock street engines which rely on electronic devices to control the function of either or both the ignition and fuel systems are prone to interference from all other spiral conductor ignition wires sold through performance parts outlets, none of which can provide proper suppression for EMI, particularly if a high-output ignition system is used.

1999-2004
2.2 and 2.5 liter
$129.99

1996-1998
2.5 liter
$159.99

1990-1998
1.8 and 2.2 liter
$129.99

Motor Intake

Foam Air Filter for Impreza, Legacy, SVX, Forester and Baja. True Flow air filters are over twelve times thicker than gauze filters giving foam filters superior filtration and overall air flow. Foam filters are made up of tiny interlocking cells that trap and distribute dirt particles throughout the entire volume of the foam giving improved performance and more horsepower. (High Performance Factory Size Replacement Air Filter)

Foam Filter Feature: Superior Filtration, High Air Flow ,Washable and Reusable , Lifetime warranty

$49.99

Foam Filter Cleaning Kit. Works with all foam filters on the market.

$12.99

Vibrant MAF adapter for Impreza, Legacy and Forester 90-2004. This component allows you to securely mount an aftermarket cone filter to the stock Subaru mass airflow meter (MAF). This allows removal of the stock air box, eliminating the inherent flow restrictions. Filter and attachment hardware are not included, and must be purchased separately.

A filter with a mounting inside diameter of 3" (76mm) is required.

$19.99

Universal Vacuum Hose Kit. Are you looking for that special something to brighten up an engine bay? Need something to add your own personal touch? The solution is, The Racing Sports Akimoto Driveway Kit. The Akimoto kits come conveniently packaged in a variety of sizes and colors to replace the dull factory vacuum hoses in any engine bay.

Available in Purple, Yellow , Red, Silver and Blue. Each Kit contains 10' of 3mm, 5' of 6mm, 2' of 10mm.

$29.99

Filter Charger Kit. A six-step maintenance system designed to recharge any K&N Filter charger® Air Filter. Restores air flow efficiency so your Filter charger performs like new!

Includes: 6.5 oz. Spray Oil, 12 oz. Filter Cleaner and Service Decal

$10.99

Filter Charger Kit. Oil & Cleaning solution to clean your green filter and make it perform like new.

$10.99

Panel filter for All Impreza, Legacy, Forester, SVX and Baja. WHY GREEN? The base cotton is the best material for vehicle air filtration. Its properties are perfect: it is organic so humidity and moisture will not affect it. When damp, it dries quickly and thoroughly and is unaffected by different weather conditions and temperature. The harsh environment in the engine bay will not affect its performance. The green color enables you to see the dirt being trapped by the filter so when heavy deposits build up, you simply clean it.

Deep pleats in the cotton gauze ensure there is a 10-20% increase in surface area to draw more air into the engine. The cotton gauze is made up of a medium and fine layer to trap and hold dirt, dust and moisture particles as small as 0.50 microns. The gauze is held in place by a strong, fine alloy mesh that allows the filter to perform its job perfectly

$49.00

Panel filter for Impreza, Legacy, Forester, Baja and SVX. For over 30 years K&N manufactured serious air filters completely unlike traditional disposable filters. Their air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life. The secret to their success lies in the unique characteristics of their filter medium that was originally developed by K&N all those years ago. Their high flow cotton gauze air filter is washable, reusable and built to last for the life of an engine. The filters consist of four to six sheets of cotton gauze layered between two sheets of aluminum wire mesh. This media is then pleated and oiled to enhance its filtering capabilities and overall performance. The result is an air filter that allows dramatically more air into an engine, is washable and reusable, and will protect your engine for the life of your vehicle. The K&N panel filter is a 5-10 hp gain over stock.

The Last Air Filter Your Engine Will Ever Need - K&N warranties their replacement filters for 10 years or 1 million miles.  Why would they do such a thing?  Because they are engineered to last the life of your engine.  They use only the highest quality materials and never compromise.  Every 50,000 miles, they recommend you clean and re-oil the filter, then put it back in your engine and it will perform virtually like new.

$49.00

Cold Air Intake for Impreza, Legacy, Forester and Baja. The Injen Technology intake system is a high-performance, dyno-proven system made of CNC mandrel bent 6061 T-6 aluminum alloy. Each intake is carefully engineered for a perfect fit and superior performance. Many other intakes in the market are made of 3.00" diameter tubes. This may cause friction between the battery and the intake system, dented hoods and an unbalanced air fuel ratio which can be harmful to your engine. Injen Technology has taken extra measures to ensure that the consumer gets what they paid for: optimum throttle response. They have in-house capabilities for bending 2.25",2.50", 2.75" and 3.00" diameter tubes on various bend radii. They polish every intake for those who are conscious of aesthetics along with horsepower gain. With the use of 1/4" thick 6061 T-6 aluminum and precise CNC machined brackets and adapters, you are guaranteed an exact fit every time. Not only do they dedicate themselves to making precise crafted intakes, they also back it with a limited lifetime warranty to ensure a quality intake for years to come.

$289.00

Motor Fuel

Walbro Fuel pump. High output 255 liter. Direct plug in replacement for the stock unit. A must if you have a turbo on the 2.5

$129.99

$89.00

Motor Cooling

Water Wetter Super coolant is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30°F. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze. Or it can be added to new or used antifreeze to improve the heat transfer of ethylene and propylene glycol systems. Designed for modern aluminum, cast iron, copper, brass, and bronze systems.

$8.99

Motor Oil Related

Performance Gold Oil Filter for Impreza, Legacy Forester and Baja. K&N Performance Gold® Oil Filters for automotive applications have been constructed from the ground up to satisfy the high performance needs of race car owners and drivers, as well as the average vehicle owner who wants the very best oil filter available.  K and N oil filter's efficiency rating meets or exceeds the requirements of high performance automotive engine builders.  The heavy duty construction provides over 550 PSI hydrostatic burst, and helps reduce the risk of rock and stone damage.

The real quality isn't just on the outside... the inner filter element traps contaminant as small as 10 to 20 microns in size.  They use metal top end caps instead of paper to ensure that no unfiltered oil can get back into the system.  The solid construction allows for oil flow rates between 12-16 gpm (depending on filter size), and is unaffected by racing fuels.  All K&N Performance Gold® Oil Filters are manufactured to exacting engineering standards.  They are covered by a limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturers recommended service interval.

$9.95

Oil Catch Can Kit for Impreza, Legacy, Forester and Baja. GReddy Oil Catch Tanks collect the oil, moisture and blow-by gas that causes carbon and sludge build-up in the intake system and engine to keep them clean even under the hardest driving conditions. An oil catch tank is also an excellent engine dress up item that will give your car a racing image.

15mm hoses, blue econo-fits. Includes T Mounting bracket.

$109.99

Oil Catch Can Kit for Impreza, Legacy, Forester and Baja. Polished to a mirror finish with Cusco blue fittings and bracket, this kit is attractive and functional. The easy to read oil level indicator doubles as the drain tube, just use the quick disconnect fittings and drain the can. It bolts on in minutes using normal hand tools.

15mm hoses with Blue fittings.

$106.99

Oil Cooler Kit for Impreza, Legacy, Forester and Baja. Kit includes all of the fittings, hoses, clamps and Flexalites new proprietary sandwich adapter. For moderate or auxiliary engine oil cooling applications.

$119.00

Motor Pulley Kits

UNORTHODOX Tuner Series Pulley "Underdrive" for Impreza '93-up' Legacy '90-up' Forester 'All' SVX '92-97'.  Unorthodox Racing pulleys can provide gains of 5 to 12 HP and 4 to 8 ft.-lbs. on normally aspirated engines and 8 to 16 HP and 8 to 18 ft.-lbs. on forced induction engines. These are average gains. Gains as high as 37 HP and 45 ft.-lbs. have been realized on modified forced induction engines. These gains are obtained in two ways. First, and most important, is the weight loss. An average of 2.7 HP is gained from every pound lost off the crank shaft. 85% of our gains are from weight loss.

The rest of the gains are from underdriving, which accounts for about 15% of the total gains. They do not push underdriving for two main reasons. Their main reason is to keep charging systems, air conditioning, power steering, and water pumps moving fast enough for every day driving. Second, not much horsepower is gained from extreme underdriving. All of their underdriving is done with the crank pulley, not the accessory pulleys. This is done so maximum weight loss can be achieved at the crank where most of the horsepower gains are found.

$99.95

Perrin Lightened Crank Pulley for Impreza, Legacy, Forester and SVX. The Perrin pulley is engineered to reduce rotating mass, increasing horsepower and torque. The Perrin pulley is NOT underdriven. Weighs only 1.2 lbs.

The Perrin pulley removes nearly four pounds off the factory crank pulley.

$129.99

UNORTHODOX Ultra Street Pulley "Stock Diameter" for Impreza '93-02' Legacy '90-02' Forester 'All' SVX '92-97'.  Unorthodox Racing pulleys can provide gains of 5 to 12 HP and 4 to 8 ft.-lbs. on normally aspirated engines and 8 to 16 HP and 8 to 18 ft.-lbs. on forced induction engines. These are average gains. Gains as high as 37 HP and 45 ft.-lbs. have been realized on modified forced induction engines. These gains are obtained by weight loss. An average of 2.7 HP is gained from every pound lost off the crank shaft. 85% of the gains are from weight loss.

$199.00

UNORTHODOX Ultra Street Pulley Set for Impreza, Legacy and Forester. Unorthodox Racing pulley sets on average can provide gains of 8 to 15 HP and 6 to 10 lbs.-ft. on normally aspirated engines. Higher gains can be realized on vehicles that are modified. First, and most important, is the weight loss. There is an average of 2.7 HP gained from every pound lost off the crank shaft. With the lighter accessory pulleys, as much as 15% to 30% more power can be found. 85% of their gains are from weight loss.

Stock diameter

$369.00

GFB Power Pulley kit for Impreza and Legacy. Manufactured from highest grade 6061-T6 aluminum billet. Hp gains from 5-12. Includes Crank pulley and alternator pulley with belts. GFB's pulleys are manufactured on the latest Multi-Axis CNC machines from the highest grade 6061-T6 aluminum billet, making them immensely lighter than their factory steel counterparts. This lower weight yields a large reduction in the rotating inertia of the belt train, allowing the engine to accelerate faster. The effect is similar to fitting a lightened flywheel and is particularly noticeable in the lower RPM range before the turbo spools up. This is because the power required to accelerate a heavy pulley accounts for a much greater proportion of the available power at low RPM. Additional power increases also come from a slight change in the ratios to reduce the driven load of the power-robbing peripheral components (particularly at high RPM), without affecting their performance.

Available in Blue, Red and Silver.

$239.99

GFB 3 Piece Power Pulley kit for Impreza, Legacy, Forester and Baja. Average Power Gains that can be expected are up to 9 hp for normally aspirated engines  Coupled with the excellent anodized finish and fit, you'll have a pulley kit that will give you the extra edge you need! How do they do this? GFB's pulleys are manufactured on the latest Multi-Axis CNC machines from the highest grade 6061-T6 aluminum billet, making them immensely lighter than their factory steel counterparts. This lower weight yields a large reduction in the rotating inertia of the belt train, allowing the engine to accelerate faster. The effect is similar to fitting a lightened flywheel and is particularly noticeable in the lower RPM range. This is because the power required to accelerate a heavy pulley accounts for a much greater proportion of the available power at low RPM. Additional power increases also come from a slight change in the ratios to reduce the driven load of the power-robbing peripheral components (particularly at high RPM), without affecting their performance.

Available in Red, Blue and Silver. Includes belts.

$339.99

Motor Internal

for Impreza, Legacy and Forester DOHC motors.
SUBARU IMPREZA DOHC 2.5L
VALVE
LIFT
DURATION
IN DEGREES
DURATION
@.050
IN DEGREES
GRIND
NUMBER
DESCRIPTION REGRIND HARD
WELD
NEW
CAM
.348/.370

224/237

204/214

517/222-607

Bolt in profile increases overall power.

N/A

25-011

N/A

$799.00

for Impreza, Legacy, Forester and Baja SOHC motors.
 
SUBARU IMPREZA SOHC 2.5L
VALVE
LIFT
DURATION
IN DEGREES
DURATION
@.050
IN DEGREES
GRIND
NUMBER
DESCRIPTION REGRIND HARD
WELD
NEW
CAM
.410/.350

230

211

148e

Bolt in cam with smooth idle designed for overall power.

N/A

25-021

N/A

.410/.350

245

224

115

Designed to improve mid to top end performance.

N/A

25-031

N/A

$499.00

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* Prices are subject to change.

**TERMS AND CONDITIONS**

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Last modified: January 12, 2012. This site is not affiliated or endorsed by Subaru of America, Fuji Heavy Industries or STi. We are not an authorized parts dealer or repair shop for Subaru of America, Fuji Heavy industries or STi. Work and Parts are not guaranteed by Subaru of America, Fuji Heavy Industries, STi. All performance parts are listed for off road use only. Always check your local laws before adding aftermarket parts to your automobile.
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