The Vigor Diesel 2011-2016 6.6L Duramax LML EGR Valve & Cooler Delete Kit (Silver Edition) is a high-visibility, race-use upgrade specifically for Silverado and Sierra 2500HD/3500HD pickups. While our Stealth Black version offers an integrated look, this Silver Edition celebrates the raw strength of premium metals, featuring polished CNC-machined surfaces that stand out in any custom engine build.
Explore our full EGR Delete Kit collection for more engine-specific options.
This **Silver Edition** kit (image_34dbf4) is engineered for the pure truck enthusiast and the professional mechanic who prioritizes core mechanical function over colors. Unlike standard delete kits that use colored coatings to prioritize aesthetics, this kit focuses on the definitive **EGR & Cooler bypass**, utilizing **raw 6061 Billet Aluminum** plates and a clean, shop-spec finish that won’t fade or chip over time. It provides the essential protection your engine needs against carbon fouling while maintaining an understated, factory-plus industrial look.
As part of our Cummins Performance series, this kit addresses the core weaknesses of the 6.7L engine:
To help you choose the correct hardware configuration, here is a quick overview of the LML kit functionality:
| Feature | 4581EGR002NUS (Silver) | 9181EGR013AUS (Red Complete) |
|---|---|---|
| Main Focus | Coolant Bypass / Reliability Fix | Maximum Airflow / Racing Upgrade |
| Finish | Natural CNC-Machined Silver | Deep Anodized Race Red |
| Aesthetic Goal | Industrial / Understated Shop Spec | Custom Performance Showpiece |
Everything shown in the product configuration (image_34dbf4) is included in this comprehensive kit:
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