Using HPT you can have as many tunes as you wish and switch as often as you like. You have to have the hardware(hand held unit) to do so. I store dozens of tunes on my laptop and reflash at the track sometimes.
I am not up to date on HPT right now but with EFI-Live you can store the tunes on SD(memory) stick and reflash with no need for a computer.
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2005 Dodge Ram 2500 RCSB Thunder Road Hemi Sport w/STS Turbo
2004 Dodge Ram SRT-10 - Silver - Stock
2003 Chevy 1500 RCSB Stepside 400SS - 408 in now awaiting Turbo
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