EGR/DPF Delete Kit 2017-2023 L5P 6.6L Duramax
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- Buy 5 items → Extra 7% off
- Buy 7 items → Extra 9% off
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Maximized Off-Road Duramax Performance: Engineered specifically for 2017–2025 GM 6.6L L5P platforms. Designed to eliminate exhaust restriction, lower EGTs, and restore ultimate engine reliability under severe-duty, competition, and heavy towing environments.
- Power & Efficiency: Up to +90 to 160+ HP gains and 1–3 MPG improvement (when paired with required custom tuning).
- Lower EGTs & Better Spool: High-flow downpipe significantly reduces turbo backpressure and heat buildup during heavy towing.
- Engine Longevity: Prevents intake carbon fouling, soot buildup, and costly limp-mode downtime.
- Complete Hardware Integration: Precision fitment for direct replacement on 2500/3500 HD pickups.
Exact Vehicle Fitment
Compatible Models:
- 2017–2025 Chevrolet Silverado 2500 HD / 3500 HD (6.6L L5P Duramax Diesel)
- 2017–2025 GMC Sierra 2500 HD / 3500 HD (6.6L L5P Duramax Diesel)
IMPORTANT FITMENT NOTE: Will NOT fit 3500, 4500, or 5500 Cab & Chassis commercial models (Regular pickup bed configurations only).
Why Upgrade Your 6.6L L5P Duramax?
Factory exhaust restrictions and aggressive soot recirculation limit engine output, driving up exhaust gas temperatures (EGTs), triggering forced regens, and accelerating engine wear. This complete system removes these restrictions directly:
- Eliminate Forced Regens & Limp Mode: Eliminates wasted fuel, constant regen cycles, and emergency limp modes under load.
- Stop Soot Ingestion: Keeps intake manifolds, valves, and turbo assemblies clean from carbon fouling for long-term engine health.
- Unrestricted Exhaust Flow: High-flow downpipe allows the variable-geometry turbo (VGT) to spool faster with minimal backpressure.
- Substantial Torque & Horsepower Gains: Delivers between 90–160+ RWHP and 180–300+ lb-ft of Torque when combined with matching ECM calibration.
- Thermal Management for Heavy Hauling: Reduces sustained EGTs, protecting critical engine components during heavy towing and steep grade climbs.
Engineered For:
- Severe-duty off-road, agricultural, closed-course competition, and track-use trucks.
- Truck owners experiencing repeated sensor failures, clogged assemblies, or power loss under sustained load.
- Heavy towing setups requiring instant turbo response and lower operational temperatures.
Technical & Installation Notes
- Tuning Required: Custom race/off-road ECM calibration is strictly required to prevent check engine lights (CEL) and limp mode.
- Package Includes: Full replacement exhaust pipe assembly, high-flow turbo downpipe, block-off plates, hardware kit, and CAN-bus termination connectors.
This product is sold and intended strictly for closed-course competition, sanctioned racing, agricultural, or off-road commercial machinery. It is NOT legal for sale, installation, or use on pollution-controlled motor vehicles operated on public highways or roads in the United States (including California/CARB states) and Canada. The buyer assumes all responsibility for compliance with applicable federal, state, provincial, and local regulations.
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
- Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
- Shipping - Free shipping on all orders within the contiguous 48 U.S. states.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
- Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@XKVracing.com.
Important Notice
Products on this site are intended for off-road, racing, or closed-course use where emissions laws apply. They are not represented as street legal, emissions-compliant, or legal for use on public roads unless explicitly stated.
Some products may remove, replace, relocate, disable, or alter emissions-related components, including but not limited to catalytic converters, EGR, DPF, SCR, DOC, O2 sensors, or related factory systems. Compatible tuning, calibration, or supporting modifications may be required to avoid engine codes or drivability issues.
Professional installation is recommended. Buyers are responsible for verifying product compatibility, local regulations, emissions requirements, and any required tuning or supporting modifications before purchase and installation.
Performance gains, sound changes, airflow improvements, temperature changes, fuel economy changes, fitment, and drivability results may vary. No specific performance gains are guaranteed.