| DRPerformance 1002 01-05 GM DURAMAX 6.6L NITRO FLASH TUNER The Nitro Flash Hand Held Programmer and Diagnostic Code Reader. Recalibrates the speedometer to adjust for tire size and rear-end ratios. The horsepower gains on it Tow/RV Mode is a 85 hp & 200ftlbs of torque High Performance is 110hp and 250Ftlbs of Torque. Reads over 200 Diagnostic Trouble Codes. It fits all Duramax engines LB7 and LLY 2001-2006 in CK2500, 3500, 4500 and 5500 Series trucks. Three choices for Speed Limiter; 1. Stock 98MPH, 2. 130MPH, 3. Unlimited. 100HP/200FPT |