Product Description
Level up your LMM Duramax with a smooth, reliable +50 rear-wheel horsepower gain—all without needing a full fuel system overhaul. The DDPLMM‑50 set offers a 15% increase in fuel flow, matched and balanced, fully compatible with your factory CP3 pump and turbo setup. Perfect for daily-driven trucks, light towing, and improved throttle response .
Key Features
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≈+50 RWHP Increase – Subtle yet effective power boost with clean drivability
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Factory-Compatible Flow – Designed to work flawlessly with OEM CP3 pump and turbo setup
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Balanced Injector Set – Flow-tested and matched for smooth cylinder performance
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SAC Nozzle Design – Provides efficient spray, reliability, and reduced smoke
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No Core Charge; Ready to Run – Ships brand-new with no core return hassle
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3-Year Warranty & Free Shipping – Confidence-boosting coverage and shipping across the U.S.
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California Notice – Not for sale or installation in CA (Prop 65)
Vehicle Fitment
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Engine: 6.6 L Duramax LMM
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Years: 2008–2010 Chevy Silverado / GMC Sierra 2500HD & 3500HD
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Package: Full matched set of 8 injectors
Ideal For
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Daily-driven performance builds who want a clean power boost
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Light towing setups without fuel system upgrades
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Keeping OEM reliability while enhancing throttle response
Install Tips
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Pump Compatibility: Works with stock CP3—no fueling mods needed
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Consider EGT Monitoring: A pyrometer helps maintain safe exhaust temps
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Hardware Refresh: Inspect hold-down bolts and return lines during installation
Final Take
The DDPLMM‑50 injector set is the perfect balance of efficiency and power for LMM Duramax owners. Offering around +50 RWHP with OEM compatibility, ease of install, and strong warranty support—it’s the smart upgrade for spirited yet sensible performance.
