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A bolt-on cold air intake for 1999–2006 Chevy Silverado and GMC Sierra trucks and SUVs with the 4.8L, 5.3L or 6.0L Vortec V8. It swaps the factory airbox and corrugated hose for a 4-inch polished aluminum tube, an oversized blue dry cotton filter and a stamped-steel heat shield, and it keeps the factory MAF sensor. The dry filter is reusable and the open-element design gives a deeper induction sound and sharper throttle response than the stock setup. It suits owners who want a simple, reversible intake upgrade; rivals like K&N and Airaid offer similar open-element kits, and the Flashark undercuts them on hardware included rather than on fitment coverage.
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Lowest price we've seen: $56.89 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
Owners of these Vortec trucks generally report a louder intake note and a slightly sharper throttle, with most of the gain felt in sound rather than measured power. Complaints center on heat soak in traffic and on fitment checks before ordering.
This cold air intake kit fits 1999–2006 Chevy Silverado and GMC Sierra trucks, and listed SUVs, with a 4.8L, 5.3L or 6.0L Vortec V8. It replaces the factory enclosed airbox and corrugated rubber intake hose with a polished aluminum tube, an oversized blue dry cotton-gauze conical filter and a stamped-steel heat shield. It reuses the factory MAF sensor.
The 4-inch tube is mandrel-bent with a smooth internal bore. It is listed as giving about 78% more cross-sectional area than the stock hose of about 3 inches. The heat shield helps separate the filter from radiant heat near the exhaust manifold area. The filter is washable and reusable, and it needs no filter oil.
The kit bolts on at the factory mounting points with no cutting or drilling. No spacer, adapter or ECM reprogramming is required, and it works with stock and tuned setups. Installation averages 45–60 minutes with basic hand tools. Flashark lists gains of about 7–10% horsepower and 6–8% torque under favorable conditions. Results vary with engine condition, exhaust flow, tuning, temperature and test method. It also lists a deeper intake sound under acceleration. Confirm your vehicle year, model, engine and factory intake layout in the Fitment section before ordering.
