5.9 Cummins Street Tune 90 HP




90 HP Street Tune:


For 2003*, 2004, 2004.5, 2005, 2006, 2007 5.9 Cummins Trucks:

This tune focuses on daily driving performance.  It has approximately 90hp increase and will put you back in your seat.  This is the upper limit of what is safe for your unloaded truck.  This tune includes the enhanced 48RE transmission tuning.

*Trans Tuning not available for 2003


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