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Description
STI CENTER VISCOUS LSD 6MT For IMPREZA 5DooR (GG) ST389134S010Brand STI Product CENTER VISCOUS LSD 6MT Product Number ST389134S010 Description A center viscous LSD is a type of limited slip differential sensitive to rotation difference that detects the rotation difference of the front and rear wheels, and carries out the differential function. This is an enhanced version of the existing models. The differential is filled with highly viscous oil. A higher filling rate raises the transfer torque to 10 kgfm 50 rpm.
| Brand | STI |
| Product | CENTER VISCOUS LSD 6MT |
| Product Number | ST389134S010 |
| Description | A center viscous LSD is a type of limited slip differential sensitive to rotation difference that detects the rotation difference of the front and rear wheels, and carries out the differential function. This is an enhanced version of the existing models. The differential is filled with highly viscous oil. A higher filling rate raises the transfer torque to 10 kgfm / 50 rpm. Also, it features a center differential (lock) which locks the differential function completely. |
| Compatible Vehicle | IMPREZA 5DooR (GG) |
| Compatible Models |
Model adaptation symbol: A 2000 year 08 Jan-2001 08 May 20K (AWD / 5MT) - 20K (AWD / 4AT) - STI (AWD / 6MT) ___ model adaptation symbol: B 2001 09 May to October 20K 2002 years (AWD / 5MT) - 20K (AWD / 4AT) - 20K TYPE EURO (AWD / 5MT) - 20K TYPE EURO (AWD / 4AT) - STI (AWD / 6MT) ___ model adaptation symbol: C 2002 November to 2003 08 May WRX (AWD / 5MT) - WRX (AWD / 4AT) - model adaptation symbol: D 2003 September to 2004 May WRX (AWD / 5MT) - WRX (AWD / 4AT) - model adaptation symbol: E 2004 year 05 January to May 2005 WRX (AWD / 5MT) - WRX (AWD / 4AT) - model adaptation symbol: F 2005 year 06 January to May 2006 WRX (AWD / 5MT) - WRX (AWD / 4AT) - model adaptation symbol: G 06 May 2006 and 2007 04 May WRX ( AWD / 5MT) - WRX (AWD / 4AT) -
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| Remarks | * Each product is for racing cars, such as dirt trials or rallies on gravel. * For competition * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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4.3 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 2
Not compatible with Honda CRV 2023
Style: 1.5L, Style: 1.5L
Pretty disappointed that the description did not match what my car actually needed. THIS IS NOT COMPATIBLE WITH A HONDA 2023 CRV Engine Air filter… Just glad the cabin air filter worked. Having to buy another one… The image attached is what I needed to replace.
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Reviewed in the United States on January 18, 2026
★★★★★ 5
Perfect fit and high quality.
Size: (Pack of 1)
Good product, not much to say. The product arrived quickly, looks to be of high quality construction, fit perfectly and took me only a couple of minutes to install. I love it when a product is no frills and delivers as advertised. I've used various filters from K&N before and have always had very good success with them so I will be buying more of these for sure when the time comes.
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Reviewed in the United States on November 9, 2025
★★★★★ 5
Better than most.
Size: (Pack of 1)
Looks good, perfect fit.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great Filter
Size: (Pack of 1)
This fits fine. Just wish it was a little easier to change.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
More power, slightly lower (8%) MPG.
Size: (Pack of 1)
Installed on a 2.0 liter Subaru Impreza.
I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph.
With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg.
Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026