Product Description
Push your LMM Duramax into serious competition territory with the Exergy E01 10456 Reman 300% Over Injector Set. Each injector is precision-calibrated and flow-matched by Exergy Performance for extreme fuel delivery, clean control at idle (with proper tuning), and consistency pass after pass.
Who Is This For?
- Competition and drag builds seeking maximum fuel volume
- Trucks with built transmissions, upgraded turbo(s), and adequate fuel supply
- Customers committed to professional custom tuning and data logging
Key Benefits
- ~300% over stock flow for high-horsepower builds
- Exergy-calibrated and flow-verified for repeatability
- Matched set for balanced cylinder-to-cylinder fueling
- Remanufactured on OE cores to Exergy standards
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LMM
- Years: 2007.5, 2008, 2009, 2010
- Notes: Competition-use only. Requires custom tuning and adequate air/fuel supply.
What’s Included
- (8) Exergy E01 10456 Reman 300% Over Injectors, flow-matched as a set
- Calibration data card
Recommended Supporting Parts
To feed 300% over injectors, we strongly recommend the following supporting components:
- GM Duramax Lift Pump Category (AirDog/FASS/Fleece PowerFlo)
- Exergy 10mm Stroker CP3 (LMM)
- GM Duramax CP3 Pumps & Components
- Shop All Exergy at CPP Diesel
Compare Other Exergy LMM Injector Options
Install & Tuning Notes
- Professional installation required; verify return rates and rail pressure targets
- Custom tuning is mandatory. Monitor EGTs, rail pressure, and smoke output
- Use high-quality filtration and stable supply pressure (lift pump recommended)
Frequently Asked Questions
Q: Can I daily-drive 300% over injectors?
A: These are intended for competition builds. While street operation is possible with expert tuning, drivability and emissions compliance are not guaranteed.
Q: What CP3 pump should I run?
A: At minimum, a healthy CP3 with a quality lift pump. For high power, pair with an Exergy stroker CP3 (see the link above) and ensure adequate turbo airflow.
Q: Do these come flow-matched?
A: Yes—each set is flow-matched by Exergy to ensure balanced fueling across cylinders.
Q: Warranty?
A: Covered under Exergy’s manufacturer warranty. Follow proper install and filtration practices and keep your proof of purchase.
About Exergy Performance
Exergy is the industry leader in precision diesel fuel system components for GM Duramax platforms and more. Browse the full lineup here: Exergy Performance at CPP Diesel.
