---tab Description--- Fitment 2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD 2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD This will NOT FIT the 3500/4500/5500 Cab & Chassis commercial style truck. Color-Specific Fitment: For 2017-2019 6.6L Duramax. The vehicle's CAN bus plug is either black or white. You must match the color. If your truck's plug is black, you must purchase the black kit. If it is white, you must purchase the white kit. They are not interchangeable. Key Features The factory DPF, EGR, and restrictive downpipe on your L5P Duramax choke power, reduce efficiency, and cause long-term engine wear. This full delete + downpipe combo eliminates these limitations while delivering better throttle response, increased horsepower, and improved reliability—perfect for towing, racing, or off-grid use. Eliminate DPF Clogs & Forced Regens – No more wasted fuel or limp mode from a clogged filter. Stop EGR Soot Buildup – Prevents carbon fouling in your intake and turbo. Reduce Exhaust Backpressure – The high-flow downpipe lets your turbo breathe freely. Gain 90-160+ HP & 180-300+ lb-ft Torque (with tuning). Improve Fuel Economy by 1-3 MPG – Less restriction means better efficiency. Lower EGTs for Safer Towing – Critical for heavy loads and long hauls. What's in the Box L5P EGR Delete Kit L5P DPF Delete Kit L5P Downpipe Exhaust CAN BUS Plug Kit ⚠️Note: Accessories vary by order and may not include all listed. Does NOT inlude Tuner. Installation EGR Valve Cooler Delete Kit for 2017-2025 6.6L Duramax L5P Installation Instruction DPF Race Pipe Delete for 2017-2025 6.6L Duramax L5P Installation Instruction ---tab FAQ--- FAQ Q1: Is this L5P Delete Kit compatible with all 2017-2023 L5P Duramax models?A: Yes, this kit is specifically designed to fit all 2017–2023 GMC Sierra 2500/3500 HD and Chevrolet Silverado 2500/3500 HD trucks equipped with the 6.6L L5P Duramax diesel engine. Whether you have a 2017 or a 2023 model, the fitment is seamless. Q2: Does this kit include everything needed to fully delete the EGR and DPF systems?A: Absolutely. The package includes a complete EGR delete kit, DPF delete race pipe, downpipe, up-pipe, and a CAN BUS plug tailored for the 2017–2023 L5P. This is a full delete solution, engineered for performance and reliability.If you own a LML engine, Check out our All-in-One LML Duramax Delete Kit (includes EGR, DPF, DEF, and CCV deletion with a tuning device). Q3: Will I need to tune my ECU after installing this kit?A: Yes. A custom ECU tune is required after installation to disable the EGR/DPF functions and related trouble codes. We strongly recommend pairing this kit with a quality tuning solution to fully unlock the benefits and prevent warning lights. Q4: Are there any differences between the 2020 L5P Delete Kit and other model years?A: The core components remain consistent, but the CAN BUS plug design varies slightly between 2017–2019 and 2020–2023 models. SPELAB provides year-specific parts...