DDP L5P-50 2017-PRESENT DURAMAX L5P BRAND NEW INJECTOR SET 50HP 15 PERCENT OVER STOCK

The DDP L5P-50 Injector Set is engineered for diesel owners pushing their 2017–2023 L5P Duramax trucks beyond factory limits. Flowing 50% over stock, these brand-new, not remanufactured injectors deliver the fuel volume needed to support 700–850+ horsepower, making them ideal for street/strip builds, towing with big power, or turbocharged upgrades.

Every injector is precision-balanced and flow-matched in-house by Dynamite Diesel Performance to ensure even fueling across all cylinders and maximum performance potential.

Vehicle Fitment

Fits all GM trucks with the L5P Duramax:

• 2017–2019 Chevrolet Silverado 2500HD / 3500HD

• 2017–2019 GMC Sierra 2500HD / 3500HD

• 2020–2023 Silverado HD & Sierra HD (L5P platform)

• 6.6L V8 Duramax Turbo Diesel (RPO: L5P)

Direct-fit upgrade; custom tuning required.

Performance & Specs

• 50% Over Stock Flow Rate

• Supports 700–850+ HP

• Flow-Matched Sets for even cylinder distribution

• Brand-New Construction – No cores, no reman parts

• Built & Tested in the USA by DDP’s expert injector techs

Recommended Supporting Mods

To fully utilize the L5P-50 injectors, the following are recommended:

• ECM tuning (required)

• High-flow CP3 conversion or modified CP4

• Lift pump with filtration

• Upgraded turbocharger or compounds

• Intercooler, exhaust, and intake upgrades

Why Choose DDP?

Dynamite Diesel Performance is known nationwide for precision-built, competition-proven injectors that deliver results. Their L5P line sets the bar for consistency, longevity, and flow accuracy in modern Duramax applications.

Push Your L5P Further with Confidence

If you're building a powerful, reliable L5P Duramax, the DDP L5P-50 Injector Set is the next step.