Hi i need to change me transmission fluid and filter which type should i use ? witch one is better factory or after market?. If changing filter how many quarts do i need to add ?

Thanks Louie

I would just stay with factory spec. stuff. How many miles does your car have on it?

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it has 89000 .The fluid is a little dirty and every once in a while it slips then it won't do it for a couple of days

What year is your car?

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2006 Subaru Impreza WRX STi My Build Thread
2004 Grand Prix GT2 : September 2011 GPONA COTM : SOLD
1997 Grand Prix GT1 : SOLD

Year of the car would be a big help. You may want to consider adding a shift kit while you are doing a pan drop and fluid change. The transgo is a good kit. I have used WIX filters.

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1999 GT|SLP CAI|Borla Catback| Shift kit|18" Koblenz|GMPP Lowering|GMPP handling|Blk Headlights|ER Rcokers|HV3|HV TB http://www.fquick.com/The_Guz

Its a 2007 GXP

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2006 Subaru Impreza WRX STi My Build Thread
2004 Grand Prix GT2 : September 2011 GPONA COTM : SOLD
1997 Grand Prix GT1 : SOLD

This is a good write up with good info.
http://ls1tech.com/forums/ls4-performan ... movie.html

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1999 GT|SLP CAI|Borla Catback| Shift kit|18" Koblenz|GMPP Lowering|GMPP handling|Blk Headlights|ER Rcokers|HV3|HV TB http://www.fquick.com/The_Guz

I changed over to GM Dexron 6 in my 2004 GP and it made the trans shift much better. It's a synthetic based fluid so it's better than the previous gen Dexron. As for the filter I used the one from GM since it's well made.

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