Product Description
Wake up your LLY with the Exergy E02 10205 NEW 30% Over Injector Set. These are brand-new (not remanufactured) precision injectors engineered and flow-matched by Exergy Performance, delivering ~30% more fuel capacity for stronger mid-range and top-end while maintaining excellent street manners when properly tuned.
Key Benefits
- Brand-new Exergy injectors (no prior cores required)
- ~30% over stock flow for added power headroom
- Tight flow/response balancing for smooth idle and drivability
- Built for reliability on daily-driven and tow/haul builds
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LLY
- Years: 2004.5, 2005 (mid-year LLY introduction in 2004)
What’s Included
- Exergy E02 10205 NEW 30% Over Injector Set (complete set)
- Flow data and balance information from Exergy (when provided by manufacturer)
Recommended Supporting Parts
To maximize performance and injector life, pair your Exergy injectors with proper supply and matching components:
- Shop All Exergy Performance (Brand Catalog)
- Exergy Sportsman CP3 for LLY
- Lift Pumps (AirDog / FASS)
- Injector Install Gaskets & Seals
Install Notes
- Professional installation and clean-room practices are strongly recommended.
- Always prime/bleed the fuel system thoroughly after injector work.
- Tuning is required to realize the full benefit of 30% over injectors and maintain safe EGTs.
- Use quality filtration and clean fuel—contamination is the #1 cause of injector failure.
Frequently Asked Questions
Q: Are these injectors new or reman?
A: NEW. These are brand-new Exergy injectors (not remanufactured) and do not require returning a core.
Q: Do I need tuning with 30% over injectors?
A: Yes. Proper ECU calibration is recommended to optimize power, drivability, and emissions equipment longevity (where applicable).
Q: What CP3 should I run?
A: The Exergy Sportsman CP3 for LLY is a proven match. A quality lift pump also helps supply stability and injector life.
Q: Are these streetable for towing?
A: Yes—when paired with appropriate tuning and supporting hardware, 30% over injectors work well for spirited daily driving and towing.
Q: Warranty?
A: Covered by the manufacturer’s warranty. Keep proof of purchase and follow proper install/filtration procedures.
About Exergy Performance
Exergy is a leader in high-precision diesel fuel system components. Explore the full lineup here: Exergy Performance at CPP Diesel.
