GM Duramax LLY 6.6L - EGR Delete Kit (2004.5-2005)
Type: EGR Delete Kit | Fits: GM Duramax
The GM LLY Duramax EGR Delete Kit is a dependable solution for removing the factory EGR system on 2004.5–2005 GMC Sierra and Chevy Silverado HD trucks equipped with the 6.6L LLY engine. Designed for off-road and race use only, this kit eliminates recirculated exhaust gases, helping reduce soot buildup and improving overall engine performance.
Key Features
- Full EGR Removal: This kit completely deletes the factory EGR system, preventing dirty exhaust gases from re-entering the intake system and reducing carbon buildup.
- Durable Construction: Built from high-quality materials for long-term reliability and performance under high-heat conditions.
- Complete Kit: Includes everything needed for a smooth installation with no extra parts required.
Benefits
- Cleaner Intake System: Removing the EGR system helps reduce soot buildup inside the intake, improving airflow and combustion efficiency.
- Improved Reliability: Eliminates one of the most common sources of engine trouble in the LLY Duramax platform—EGR system failures.
- Performance Gains: Reduces heat and backpressure in the intake system, which can lead to better throttle response and overall engine performance.
- Requires Emissions-Off Tuning: This kit is for off-road use only and must be paired with proper emissions-off tuning to ensure optimal performance and to prevent engine codes.
Installation & Compatibility
- Vehicle Fit: Designed specifically for 2004.5–2005 GMC Sierra and Chevy Silverado 2500/3500 HD trucks with the 6.6L LLY Duramax engine.
- Easy Installation: Straightforward install with standard tools; ideal for experienced DIYers and performance shops.
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
