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Old 01-26-2011, 07:33 PM   #52
mydreamcar
My Dream Car
 
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Drives: 2011 SIM LS3 1SS
Join Date: Jul 2009
Location: staten island
Posts: 1,534
Unless you have some mods. Exhaust. Headers. CAI then I would not bother with the tune. However if you have an auto the tune can change your shift points.
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CAI intake/ADM Scoop/Stainless Power Headers/Dynatech cat back exhaust/Vitesse Throttle Control/ Ported Throttle Body/QTP Electric Cutouts/ 3.91 gears and janetty rear posi/ Tuned by Janetty racing
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