Thread: Magna Hand Tuner
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Old 11-01-2012, 03:13 AM   #3
Slickcas
 
Drives: 12' 2SS/RS LS3 IBM
Join Date: Nov 2011
Location: Odin. ILL
Posts: 487
Yea just flash back to stock first. But if you have a SCT tuner. JRE can remote tune your car and it will be better then any caned tune.
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