DPF/EGR/DEF 2017-2023 L5P 6.6L Duramax All-in-One Kit
DPF/EGR/DEF 2017-2023 L5P 6.6L Duramax All-in-One Kit - OBDii FDTI w/Unlock Tool & Tune / Black / 4'' DPF Race (2017+) is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
DPF/EGR/DEF 2017-2023 L5P 6.6L Duramax All-in-One Kit - OBDii FDTI w/Unlock Tool & Tune / Black / 4'' DPF Race (2017+) is backordered and will ship as soon as it is back in stock.
Description
Description
L5P Duramax Kit | EGR, DPF, DEF Kit | 2017-2023 GMC Sierra/Chevrolet Silverado
Important Purchase Information
Please note that all tunes are non-refundable—once purchased, they cannot be returned or refunded. Before completing your order, ensure compatibility and confirm your selection. If you have any questions, our support team is happy to assist.
Why Choose Ours L5P Duramax Kit?
- Optimized for L5P Duramax: Specifically engineered for 2017-2023 GMC Sierra 2500/3500 HD and Chevrolet Silverado 2500/3500 HD with the L5P 6.6L Duramax engine.
- Performance Boost: Removes restrictive systems (EGR, DPF, DEF) to enhance horsepower, torque, and overall engine responsiveness.
- Durable and Reliable: Made with high-quality materials to withstand extreme conditions, ensuring long-lasting reliability.
What’s Included in the L5P Duramax Kit?
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EGR Kit
- Eliminates the Exhaust Gas Recirculation system to reduce carbon buildup.
- Improves combustion efficiency and engine responsiveness.
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DPF Kit
- Removes the Diesel Particulate Filter for better exhaust flow.
- Reduces backpressure, resulting in more horsepower and enhanced turbo response.
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DEF Kit/Tuner with OBDii Flash Tuning Interface
- Deletes the Diesel Exhaust Fluid system, reducing maintenance needs and simplifying the setup.
- Includes an OBDii Flash Tuning Interface for precise tuning and improved engine performance.
Key Benefits of the L5P Duramax Kit
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Enhanced Engine Performance
- Experience significant horsepower and torque increases, especially under heavy towing or off-road conditions.
- Improved throttle response and overall engine efficiency due to the removal of restrictive components.
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Fuel Efficiency Gains
- By optimizing exhaust flow and reducing backpressure, you’ll achieve better fuel economy and save on fuel costs.
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Increased Engine Durability
- The removal of the def on duramax, DPF, and EGR systems prevents carbon buildup, reducing strain on your engine and extending its lifespan.
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Cost-Effective Solution
- This all-in-one kit provides a more affordable and streamlined solution compared to purchasing individual components separately.
Vehicle Compatibility
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Fits the Following Models:
- 2017-2023 GMC Sierra 2500/3500 HD with L5P 6.6L Duramax Diesel.
- 2017-2023 Chevrolet Silverado 2500/3500 HD with L5P 6.6L Duramax Diesel.
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Perfect Integration: Every component is carefully engineered for flawless fitment and maximum performance, ensuring smooth installation and optimal results.
Easy Installation
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DIY-Friendly
- The kit comes with a detailed installation guide and video tutorials to help you complete the installation yourself.
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Professional Support
- Customer service team is available to assist with any questions or concerns during installation.
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Streamlined Installation Process
- Designed for easy installation, saving you time and effort with all components perfectly matched for your vehicle.
Environmental and Economic Benefits
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Lower Maintenance Costs
- DEF on duramax and DPF systems reduces the frequency of expensive repairs and maintenance, saving you money in the long run.
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Improved Fuel Economy
- Optimized exhaust flow leads to better fuel efficiency, making your driving experience more cost-effective.
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Reduced Environmental Impact
- By removing the DEF system, you reduce your vehicle’s environmental impact and lower the consumption of diesel exhaust fluid.
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: FLCI08599-OS20049-BK-ES08120-EP13-00006WT-000-W-EP13-00004WT-000-W-CI08599-1
Loading vehicle fitment…
Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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