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Now In: Subaru PerformanceSTI2004 - 2007 STI → Drivetrain

JDM-Close Ratio 5th and 6th plus Synchro Up-Grade for 6MT JDM-Close Ratio 5th and 6th plus Synchro Up-Grade for 6MT

This kit includes a new 5th and 6th gear for the 6-Speed transmission that came in the USDM STI, and new Carbon Synchros (baulk rings) for 4th, 5th...

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Price: $429.00 
Quantity:   
 
OEM Subaru Flywheels for WRX, STi, and Legacy GT OEM Subaru Flywheels for WRX, STi, and Legacy GT

This is a brand new OEM Subaru Flywheel for the WRX, STi, or Legacy GT

These pieces are brand new straight from Subaru!

Please ensure ...

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Regular Price: $266.47
 On Sale For: $195.05 
Quantity:   
 
JDM STI S204 Style Shift Knob JDM STI S204 Style Shift Knob

This authentic STI shift knob is wrapped it top quality leather, and has the shift...

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Price: $172.00 
Quantity:   
 
JDM STI Thermo-Plastic Shift Knob JDM STI Thermo-Plastic Shift Knob

Available only to the Japanese Market, ...

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Price: $69.99 
Quantity:   
 
Prodrive 6-Speed Gear Knob Prodrive 6-Speed Gear Knob

Prodrive has designed a number of gear knobs to complement the interior of the Subaru range.


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Price: $59.00 
Quantity:    
 
Kartboy Short Shifter for 04-07 STi Kartboy Short Shifter for 04-07 STi

Now with FREE SHIPPING!

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Regular Price: $150.00
 On Sale For: $150.00 
Quantity:   
 
Goodridge WRX (02+) and STI (04+) Stainless Steel Clutch Line Goodridge WRX (02+) and STI (04+) Stainless Steel Clutch Line

Goodridge stainless steel braided brake-lines are an industry standard in the world of moto...

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Price: $35.00 
Quantity:   
 
GTSPEC Rear Differential Mount For 02 - 07 Impreza GTSPEC Rear Differential Mount For 02 - 07 Impreza

GTSPEC's heavy duty differential mount will strengthen and get rid of your annoying clunking when you shift hard between gears and prevents possib...

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Regular Price: $199.00
 On Sale For: $179.10 
Quantity:   
 
Kartboy 6-speed Shifter Bushings for 04-07 STi Kartboy 6-speed Shifter Bushings for 04-07 STi

Now with FREE SHIPPING!

These ...

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Regular Price: $32.00
 On Sale Now: $32.00 
Quantity:   
 
Kartboy Rear Differential Bushings for Subaru's Kartboy Rear Differential Bushings for Subaru's

Now with FREE SHIPPING!

These Kartboy Rear Differential Bushings significantly decrease the noto...

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Regular Price: $32.00
 On Sale Now: $32.00 
Quantity:   
 
Kartboy Rear Shifter Bushing for Subaru Kartboy Rear Shifter Bushing for Subaru

Now with FREE SHIPPING!

These are Kartboy Re...

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Regular Price: $35.00
 On Sale For: $35.00 
Quantity:   
 
Kartboy Transmission Crossmember Bushings Kartboy Transmission Crossmember Bushings

Now with ...

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Regular Price: $30.00
 On Sale For: $30.00 
Quantity:   
 
Perrin Rear Sub-Frame Lock Out Kit Perrin Rear Sub-Frame Lock Out Kit

Add rigidity and precision to throttle input with Perrin Performance’s Subframe Lo...

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Regular Price: $49.99
 On Sale For: $46.99 
Quantity:   
 
STI Group-N Rear Transmission Mount STI Group-N Rear Transmission Mount

This bushing is designed by STI to improve shifter feel and precision by replacing the soft factory rubber piece with a more so...

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Regular Price: $31.86
 On Sale For: $21.24 
Quantity:   
 
STI Hardened Group-N Engine and Transmission Mounts STI Hardened Group-N Engine and Transmission Mounts

These Engine and Transmission mounts are made by Subaru Technica International t...

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Regular Price: $260.96
 On Sale For: $215.00 
Quantity:    
 
Cobb Polyurethane Shifter Bushings for STi 6-Speed Cobb Polyurethane Shifter Bushings for STi 6-Speed

We Now Offer Free Shipping On All COBB Parts!!!!!!!!!...

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Regular Price: $35.00
 On Sale For: $30.00 
Quantity:   
 
Exedy Lightweight Racing Flywheel for 04-07 STi Exedy Lightweight Racing Flywheel for 04-07 STi

EXEDY Racing Flywheels are made from solid one piece billet chromoly steel forgings. They are specifically designed to reduce weight and inert...

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Price: $372.99 
Quantity:   
 
STI Lightweight Flywheel for STI 6MT STI Lightweight Flywheel for STI 6MT

Subaru Technica International has designed this Lightweight flywheel for the STI. It weights only 7.2 kg or 15.8 lbs. vs. stock flywheel ...

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Regular Price: $845.00
 On Sale For: $792.00 
Quantity:   
 
ACT Heavy Duty Performance Clutch FOR 04+ STI ACT Heavy Duty Performance Clutch FOR 04+ STI

Heavy Duty - HD

- Clamps load increase of 20% to 50%
- Pedal ...

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Regular Price: $963.44
 On Sale For: $829.99 
Quantity:   
 
Exedy- STi Stage 1 Heavy Duty Organic Clutch (04 - 08) Exedy- STi Stage 1 Heavy Duty Organic Clutch (04 - 08)

This is a brand new Exedy Stage 1 Organic Heavy Duty Clutch for the 04 - 08 Subaru Impreza WRX STi 2.5L. This clutch is the Heavy Duty variant, which increases the w...

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Regular Price: $574.99
 On Sale For: $574.99 
Quantity:   
 
Exedy-STI Carbon Hyper Single Clutch Exedy-STI Carbon Hyper Single Clutch

Exedy-STI Carbon Hyper Single Clutch
 
The Flagship Model of Exedy Racing Clutches; the Carbon Steel Multiplate Clutches. 
The clutches are light in...

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Regular Price: $2,532.53
 On Sale For: $2,059.99 
Quantity:   
 
Exedy-STI Carbon Twin Plate Clutch Exedy-STI Carbon Twin Plate Clutch

Exedy-STI Carbon Twin Plate Clutch
 
The Flagship Model of Exedy Racing Clutches; the Carbon Steel Multiplate Clutches. 
The clutches are light in ...

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Regular Price: $3,783.81
 On Sale For: $2,839.99 
Quantity:   
 
Exedy-STI Stage 1 Organic Clutch Exedy-STI Stage 1 Organic Clutch

Exedy Racing clutches with organic friction materials use only premium friction materials that are resistant to slippage and burst.  Incr...

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Regular Price: $640.09
 On Sale For: $534.99 
Quantity:   
 
Exedy-WRX & STI Stage 3 Hyper Single Clutch Exedy-WRX & STI Stage 3 Hyper Single Clutch

The Hyper Single Clutch is engineered to optimize performance for cars that are moderately modified, but do not require the clutch capacity of a multi-plate clut...

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Regular Price: $1,595.67
 On Sale For: $1,199.99 
Quantity:    
 
Perrin Rear Differential Cover Perrin Rear Differential Cover

PERRIN knows it’s important to keep your rear end cool! So keep it cool with the PERRIN Performance Differential Cover. ...

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Regular Price: $279.99
 On Sale For: $269.99 
Quantity:   
 
BG Syncro Shift II Manual Transmission Fluid BG Syncro Shift II Manual Transmission Fluid

BG Syncro Shift II Synthetic Gear Lubricant
specifically formulate...

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Price: $22.74 
Quantity:   
 
Red Line Assembly Lube 4oz Red Line Assembly Lube 4oz

Red Line Assembly Lube 4oz
 
-Three times greater film-strength than conventional black molybdenum Disulfide lubricants.
-Can be used safely with all meta...

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Price: $7.00   
 
Red Line CV-2 14oz Tub Red Line CV-2 14oz Tub

Red Line CV-2 14oz Tub
 

Synthetic High-Performance Extreme Pressure Grease


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Price: $9.75   
 
Redline CV-2 14oz Tube Redline CV-2 14oz Tube

Redline CV-2 14oz Grease Gun Tube
 

Synthetic High-Performance Extreme Pressure Grease


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Price: $9.75   
 
Subaru LSD Gear Oil Subaru LSD Gear Oil

In 2005, Subaru went to a different Limited Slip Differential in the R-180 Differential in the STI.  When they made tha...

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Regular Price: $28.16
 On Sale For: $21.18 
Quantity:   
 
Redline 75w90NS Transmission Oil Redline 75w90NS Transmission Oil

This GL-5-type geal oil doesn't contain the friction modifiers for limited-slip hypoid differentials. This makes the transmission synchronizers come to equal speeds more quickly, allowing faster shift...

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Regular Price: $11.50
 On Sale For: $10.50 
Quantity:   
 
Redline Lightweight Shockproof Gear Oil Redline Lightweight Shockproof Gear Oil

A unique gear oil designed to lubricate racing transmissions and transaxles which see serious loads (not recommended for most syncro-type transmissions). It has excellent low-temperature flow which al...

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Regular Price: $11.99
 On Sale For: $11.19 
Quantity:   
 
Subaru Rear Differential Breather Plug Subaru Rear Differential Breather Plug

This is the Breather Cap that is on top of most all Subaru Rear Differentials. This will fit all 02+ WRX's, 04+ STI's, 04+ Forester XT's, and 05+ Legacy GT...

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Regular Price: $5.31
 On Sale For: $4.25 
Quantity:   
 
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