SL55/63/65/R230 AMG: Prefered Tuner
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Join Date: Mar 2010
Location: Louisville Kentucky
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2006 SL55, Audi RS6, 1993 Corvette ZR1
Prefered Tuner
I am looking to upgrade the ECU and pully. I have researched the top 3 tuners but end user opinions matter most. I had great results upgrading my RS6 with MTM Thanks,
Mike
Mike