Gonzo18 Posted February 16, 2002 Posted February 16, 2002 Hi there, I just recently bought a 2002 GMC Sierra 4.8 V8 regular cab. I have so far put a K&N drop in filter and a 50series Flomaster w/dual pipes. I just purchased a Hyper-tech Power Programer III for it. Was this a good purchase and has anyone had experiance with this truck and engine size, with the Hyper-tech?
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