2020-2024 L5P 6.6L DURAMAX APPLICABLE PRODUCTS

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FAQS

Yes, you can delete a 2024 L5P 6.6L Duramax engine using a properly configured 2024 Duramax delete kit. Due to the advanced ECM and TCM protections in the 2024 models, you’ll need a system specifically designed to bypass these controls. SPELAB offers full L5P delete kits that include an OBDii Flash Delete and CAN BUS Plug Kit to ensure compatibility.

At minimum, you’ll need an EGR delete, DPF delete pipe, DEF delete module, and a tuner compatible with the 2024 L5P ECM.

No. Emissions deletes are not legal for on-road use in most U.S. states. SPELAB’s 2024 Duramax delete kits are intended strictly for off-road, racing, or competition use only.

A tuner is required to recalibrate the ECU after removing emissions components to avoid limp mode or error codes.

Most full delete kits range from $2,800 to $4,000, depending on the components and tuning options you choose.

SPELAB's L5P applicable products are performance upgrades and delete kits specifically designed for the 2017-2019 L5P 6.6L Duramax engine. These include EGR/DPF/DEF delete kits, exhaust upgrades, tuning devices, and supporting components that enhance power, reliability, and efficiency for off-road use.

Installation ranges from moderate to advanced DIY. It requires mechanical skills, basic tools, and often involves draining coolant, removing factory components, accessing tight engine-bay spaces, properly sealing all connections to prevent leaks, and following torque specifications for critical fasteners.

SPELAB offers several L5P-specific exhaust upgrades, including 3.5 inches downpipes, 4 inches or 5 inches DPF delete race pipes, single-exit or dual-exit exhaust configurations, and muffler delete pipes for a louder exhaust note.

Yes. Removing factory emissions equipment will likely affect or void the powertrain warranty. Dealerships can detect modifications during diagnostics, and manufacturers may deny warranty claims related to engine, turbo, exhaust, or emissions systems.


Start with your year, truck configuration, and build goal. For reliability-focused off-road builds, look at EGR-related components, exhaust upgrades, and supporting cooling or airflow parts. For maximum performance, choose products that match your tuning plan and supporting modifications. Always verify compatibility with your exact model year, engine, cab, bed, and emissions configuration before purchasing.