EFI LIVE | 2007.5 - 2010 LMM GM Duramax 2007.5 - 2010 Chevy|GMC LMM Duramax 6.6L – EFI Live Tuning! Gain from 0-200RWHP on your 2007.5-2010 Chevy or GMC Duramax powered truck using DSP5 tuning (DSP5 switch required) or single tunes. ?? Why can the LMM make so much more power... MSRP: Was: Now: $200.00 - $250.00 Choose Options
EFI Live | 2006 - 2007 LBZ GM Duramax 2006 - 2007 Chevy|GMC LBZ Duramax 6.6L – EFI Live Tuning! Gain from 0-200RWHP on your 2006-2007 Chevy or GMC Duramax powered truck using DSP5 tuning (DSP5 switch required) or single tunes. ?? Why can the LBZ make so much more power... MSRP: Was: Now: $200.00 - $250.00 Choose Options
