Polar
Polar EGR Delete Kit | 20-25 GM 3.0L Duramax
Polar EGR Delete Kit | 20-25 GM 3.0L Duramax
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Polar EGR Delete Kit for 2020-2025 GM 1500 Trucks & Full-Size SUVs 3.0L Duramax Diesel (LM2 & LZ0)
Prevent soot accumulation, lower engine operating temperatures, and maximize long-term reliability on competition-built diesels with the Polar EGR Delete Kit. The factory Exhaust Gas Recirculation (EGR) system recirculates hot, carbon-laden exhaust gases back into the engine's intake manifold, leading to severe sticky carbon buildup, restricted airflow, and elevated intake temperatures.
Designed specifically for GM 3.0L Duramax LM2 and LZ0 inline-six diesel engines, this complete off-road bypass kit replaces restrictive stock components with precision CNC-machined 6061-T6 billet aluminum block-off plates finished in protective black anodizing. Featuring a heavy-duty 304 stainless steel exhaust block-off plate, reinforced high-temp coolant reroute hose, and stainless steel hardware, this kit ensures a reliable seal under extreme heat and boost pressures.
Technical Specifications
| Specification | Details |
|---|---|
| Intake Block-Off Plate Material | CNC-Machined 6061-T6 Billet Aluminum |
| Intake Plate Finish | Corrosion-Resistant Black Anodized |
| Exhaust Manifold Plate Material | 304 High-Grade Stainless Steel |
| Coolant Bypass Hose | High-Temperature Reinforced Silicone/Rubber Construction |
| Hardware Material | 304 Stainless Steel Bolts and Fasteners |
| Use Case Restriction | Strictly Off-Road, Closed-Course & Competition Race Use Only |
| Tuning Requirement | Requires Custom Aftermarket Off-Road Tuning |
| Manufacturer Part Number | PD-2-53235000 |
Vehicle Fitment
- Chevrolet Silverado 1500 (3.0L Duramax LM2 & LZ0): 2020, 2021, 2022, 2023, 2024, 2025
- GMC Sierra 1500 (3.0L Duramax LM2 & LZ0): 2020, 2021, 2022, 2023, 2024, 2025
- Chevrolet Tahoe (3.0L Duramax LM2 & LZ0): 2021, 2022, 2023, 2024, 2025
- Chevrolet Suburban (3.0L Duramax LM2 & LZ0): 2021, 2022, 2023, 2024, 2025
- GMC Yukon & Yukon XL (3.0L Duramax LM2 & LZ0): 2021, 2022, 2023, 2024, 2025
- Cadillac Escalade & Escalade ESV (3.0L Duramax LM2 & LZ0): 2021, 2022, 2023, 2024, 2025
- Fitment Note: Requires custom off-road engine ECU calibration to disable electronic EGR monitoring software and prevent check engine lights.
Installation Notes
- Direct-fit block-off plates designed to bolt onto factory manifold surfaces cleanly.
- Includes custom coolant reroute hose to maintain complete engine cooling circuit loop when removing the factory EGR cooler assembly.
- Requires specialized custom off-road tuning software; do not run vehicle after hardware installation without proper ECU flash.
- Professional installation by a qualified diesel performance technician is strongly recommended.
Frequently Asked Questions
Is ECU tuning required when installing this EGR delete kit?
Yes. Installing an EGR delete kit requires custom aftermarket off-road ECU engine tuning to disable diagnostic trouble codes (DTCs), limp mode functions, and active EGR commands.
Is this EGR delete kit legal for street use?
No. This product is strictly engineered and intended solely for off-road, closed-course competition, and racing applications. It is illegal to install or use this product on public roads or highways on emissions-controlled motor vehicles.
SKU: PD-2-53235000
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