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Re: 2003 Silverado Shift points W/Hypertech
ok, I got ya..... what kind of tune can change that?
is theit any programer that can do it or do i have to get a whole new tune?
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2000 Silverado LS 4.8, K&N FIPK, Gibson Extreme Dual Exhaust, Line-X Bedliner, Black Speed Grille, Viper Alarm System, Custom Audio system.... (need to update my pic)
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