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This is a cold air intake kit for the 3.0L Duramax diesel in the 2020-2026 Silverado, Sierra 1500, Tahoe, Yukon, Suburban and Escalade. It pairs a plastic intake tube with a fully enclosed air box and a dry, extendable cotton filter, and it runs on the stock calibration without a tune. The sealed MAF plate and silicone couplers are the parts that separate it from cheaper open-element kits, which tend to draw hot engine air and can throw codes. It suits diesel owners who want more intake sound and a reusable filter without a tune, and it is a mild gain, not a reflash-level change.
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Lowest price we've seen: $399.00 on Nov 13 at S&B Filters. Tracked across 10 stores since Nov 13.
Rated 4.8 from 289 ratings, buyers mostly report a clean fit, a deeper turbo sound and a noticeable throttle response on the 3.0L Duramax. Complaints center on modest gains and the upkeep of the dry filter.
It moves more air to the engine and is designed to raise power. It does not require tuning. After installation, take a test drive to check for unusual noises and air leaks.
The air filter is a high-flow design with a dry extendable cotton filter media that traps dirt and contaminants. A fully enclosed air box shields the filter from dirt and radiant heat. The intake tube is durable plastic that resists deforming under extreme heat. The couplers, seals and plugs are silicone.
An injection-molded MAF (Mass Airflow) sensor plate with a foam MAF gasket is built in. It seals the system so it can run on stock calibration without triggering check-engine lights. The bolt-on design mounts to the truck's factory location points with basic hand tools.
