---tab Description--- Note To ensure proper ECU communication and full functionality, this kit must be used in conjunction with the CAN bus plug. You may be charged import fees. Please accept the delivery and contact us at service@spelabautoparts.com to resolve any charges. Thanks! All tunes are non-refundable – Once purchased, they cannot be returned or refunded. Please verify compatibility and confirm your selection before completing your order. If you have any questions, feel free to contact our support team. READ EVERY STEP BEFORE YOU MAKE ANY MODIFICATIONS TO YOUR TRUCK. Maximize the performance of your 2017-2023 L5P Duramax with this complete DPF/EGR delete and tuning package. Designed for serious power seekers, this kit removes restrictive DPF and EGR systems while including a high-performance tuner to optimize fueling, turbo response, and transmission shifting. Expect massive gains in horsepower, torque, and fuel efficiency while reducing engine stress and maintenance headaches. Key Features Full Emissions Delete – Eliminates DPF (Diesel Particulate Filter) and EGR (Exhaust Gas Recirculation) for unrestricted airflow and lower engine temps. Tuning Included – Optimize power levels (50HP-150HP+ gains). Improved Reliability – Reduces carbon buildup, DEF consumption, and turbo backpressure for longer engine life. Enhanced Fuel Economy – Stops forced regens and DEF usage, improving MPG by 2-5+. Off-Road/Competition Use Only – For closed-course racing or off-highway use (check local laws). What's in the Box EGR Delete Kik DPF Delete Kit Tuner Delete – OBDii Flash Delete Tuning Interface (including tune and required credits) Unlock Kit Exhaust System ⚠️Note: Accessories vary by order and may not include all listed. OBDII Flash Delete Tuning Interface: The included OBDII Flash Delete Tuning Interface allows for seamless tuning adjustments, enabling you to customize your vehicle's performance parameters directly through the OBDII port. Note: SOTF tuning utilizes factory steering wheel controls for seamless power level adjustments. Installation EGR Valve Cooler Delete Kit for 2017-2023 6.6L Duramax L5P Installation Instruction DPF Race Pipe Delete for 2017-2023 6.6L Duramax L5P Installation Instruction ---tab Fitment--- 2017-2023 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD 2017-2023 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD Not compatible with cab and chassis models Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe. The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section. ---tab FAQ--- SPELAB 6.6L Duramax DPF/EGR/DEF Delete Kit - All-in-One Solution for 2017-2023 GMC and Chevy Enhance your 2017-2023 6.6L Duramax with SPELAB's all-in-one delete kit. Includes EGR, DPF and more. 1. Product Overview Product Instruction SPELAB auto parts are renowned for their high-quality and performance-enhancing...