Product Description
Feed serious power with Exergy’s 200% over LMM injector set. The Exergy E01 10452 Reman 200% Over Injector Set is precisely calibrated and flow-matched for high-horsepower 2007.5–2010 Duramax 6.6L LMM builds that demand stable rail pressure and repeatable fueling.
Key Benefits
- ~200% over stock flow for big single or compound turbo setups
- Remanufactured on OE bodies with Exergy internals, test data, and balance
- Tight cylinder-to-cylinder consistency for cleaner tuning and better drivability at power
- Built, calibrated, and flow-verified by Exergy Performance
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LMM
- Years: 2007.5, 2008, 2009, 2010 (mid-2007 introduction)
- Direct replacement for LMM common-rail injectors; professional installation recommended
What’s Included
- Exergy E01 10452 Reman 200% Over Injector Set (flow-matched)
- Test data / balance information from Exergy
- Installation notes
Recommended Supporting Parts
At this flow level, ensure the rest of your fuel system and air system can keep up. Helpful additions:
- Shop All Exergy Performance (brand page)
- Lift Pumps (AirDog / FASS) — maintain supply pressure and filtration
- Gaskets & Seals — refresh sealing surfaces during injector service
Install & Tuning Notes
- Tuning required. 200% over injectors demand custom calibration to control smoke and EGTs.
- Pair with a healthy CP3 and adequate lift pump; fuel contamination kills injectors quickly.
- Prime and bleed the system thoroughly after installation.
Frequently Asked Questions
Q: Are these true 200% over injectors?
A: Yes. Exergy calibrates and flow-verifies these to approximately 200% over stock with tight balance across the set.
Q: Will my stock fuel system support these?
A: Not recommended. You’ll need a strong CP3 and a quality lift pump to maintain rail pressure and protect the injectors.
Q: Do I need custom tuning?
A: Absolutely. Proper tuning is required to achieve clean, reliable power and to protect the engine.
Q: Is there a core charge?
A: Many remanufactured injector sets carry a refundable core charge. If applicable, it will appear in the product options or at checkout.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow correct installation/filtration procedures.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components. Explore more Exergy products here: Exergy Performance at CPP Diesel.
