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... MSRP: Was: Now: $400.00 - $500.00 Choose Options
EZ LYNK | 2011 - 2016 LML GM Duramax 2011-2016 Chevy|GMC LML Duramax 6.6L - Ez Lynk tuning ! Gain from 0-160RWHP on your 2011-2016 Chevy or GMC Duramax powered truck with the usage of Switch On The Fly tuning (SOFT switch is... MSRP: Was: Now: $300.00 - $400.00 Choose Options
