04GangiSS Posted September 14, 2006 Report Share Posted September 14, 2006 I am not sure if I should get a Hypertech programmer or SLP programmer for my 04 Silverado SS. Which will get me more power, and which is all-round better for my truck? Does anyone have either of these? Quote Link to comment Share on other sites More sharing options...
kmsss Posted September 14, 2006 Report Share Posted September 14, 2006 Welcome! Neither, get a custom tune (in person with tuner is best) or a mail order tune such as PCMFORLESS!! Quote Link to comment Share on other sites More sharing options...
04GangiSS Posted September 14, 2006 Author Report Share Posted September 14, 2006 thanks for the info do you have a sn so we can talk more about mods? Quote Link to comment Share on other sites More sharing options...
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