Industrial Injection Reman Performance 5.9 Cummins Injectors 2004.5-2007 (325 HP) Fits: 2004.5 - 2007 Item Type: Industrial Injection 5.9 Cummins Injector Brand: Industrial Injection Industrial Injection's 5.9 Cummins Injectors 2004.5-2007 II-Reman provide superior performance with OE quality. Each injector is expertly remanufactured and calibrated using Bosch machines and procedures to ensure industry-leading reliability and quality.  FEATURES: Built, Calibrated and Tested In Our Bosch Authorized Facility  Includes Copper Washers and O-Rings Direct Replacement 1 Year Unlimited Mileage Warranty 🔧 Choosing the Right Injector – Performance Comparison: DFLY – 13% Over (60 HP) Balanced to +/- 2% 27 LPM Use with stock or larger turbos Increased throttle response No additional fueling upgrades needed R1 – 25% Over (100 HP) Balanced to +/- 2% 30 LPM Turbo upgrade recommended 33% CP3 or larger recommended Increased throttle response R2 – 46% Over (125 HP) Balanced to +/- 2% 35 LPM Turbo upgrade recommended 10mm CP3 or larger recommended Increased throttle response R3 – 88% Over (180 HP) Balanced to +/- 2% 45 LPM Turbo upgrade recommended 10mm CP3 or larger recommended Increased throttle response R4 – 130% Over (250 HP) Balanced to +/- 2% 55 LPM Turbo upgrade recommended 12mm CP3 or Dual CP3 recommended Increased throttle response R5 – 170% Over (350 HP) Balanced to +/- 2% 65 LPM Turbo upgrade recommended 12mm CP3 or Dual CP3 recommended Increased throttle response R6 – 192% Over (400 HP) Balanced to +/- 2% 70 LPM Turbo upgrade recommended 12mm CP3 or Dual CP3 recommended Increased throttle response   Each injector has a $75.00 core charge and is fully refundable if they are shipped back within 90 days. Note: It is recommended to replace connector tubes with any new injector install to help prevent any warranty issues. If replacing connector tubes Bosch (F00RJ01572, F00RJ01831) or Cummins (3979419, 5346206) connector tubes MUST be used. The use of any aftermarket connector tubes will VOID WARRANTY. CLICK HERE FOR INSTALL INSTRUCTIONS *All Industrial Injection Performance Products Are Not Legal For "On-Road", "Off-Road", or "Dual-Use". These Products May Only Be Used In " Dedicated Competition Use Only" Vehicles. Compliance With State and Federal Emission Standards Is The Consumer's Responsibility.