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  1. Ideal transmission fluid for '15 6MT

    Oil Change - Lubrication - Fluids
    I've heard success stories from people who use royal purple synchromax, driven STF, Redline D4, Amsoil manual synchromesh 5W-30 and just recently I found that Tremec puts out a high performance manual transmission fluid. I am finding notchiness with the stock fluid so wanted to see if there was...
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