Single Tune 2004.5-2005 LLY Duramax for EFILive exhaust Dimensions: 7 in L x

Dimensions: 7 in L x 7 in W x 14 in H

New Upgraded Silicone Hose

+ 70 ft-lbs torque

Question: If SOTF becomes available for the 2024 and 2025 L5P Duramax will I be able to update at a reduced cost

It's time to ditch your factory headaches and the ever so awful

Single Tune 2004.5-2005 LLY Duramax for EFILive exhaust Dimensions: 7 in L xYour choice of the 5 power levels, including light tow, heavy tow, race, sport economy and optimized stock for your 2005 or 2006 Chevy Silverado or GMC Sierra. Choose your power level HEAVY TOW For towing from 8,000lbs up to Gross Vehicle Weight Rating Wider torque curve assists heavy loads + 40 RWHP, + 80 ft lbs torque Exhaust temperatures drop up to 100F under full load LIGHT TOW For those towing below 8,000lbs Perfect balance of sport driving &