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Old 04-10-2026, 02:06 PM   #42
b.lee
 
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Drives: 2010 2SS/RS M6
Join Date: Apr 2023
Location: SE, MI
Posts: 17
Is Redline D4 ATF still the go to for transmission fluid?
I see a lot of people saying it helped reduce the 1st to 2nd gear grind, but most of these threads I'm reading a REALLY old.
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2010 2SS/RS M6 43k miles
Hurst billet short throw - Flowmaster cat back
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