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2008 ss
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  1. 8th Gen Engine Performance
    Hey guys, fairly new to tuning in general but after donating my old 3.9L I was hoping I could get some guidance..Just recently installed a magnaflow cat back and K&N intake on my 08 SS. I contacted overkill about a tune since I still had his AutoCal I bought a few years back for my 3.9L, he was...
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