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The Injen Evolution cold air intake (oiled filter version) for 2017–2019 Chevrolet Silverado/GMC Sierra 2500/3500 Duramax L5P is a dyno‑tuned sealed system that increases horsepower and torque while retaining OE fit. It features a roto‑molded housing with Twist‑Lock attachment for the large 8‑layer oiled cotton gauze filter, reinforced silicone couplers, stainless hardware and a clear‑view badge for simple inspection and easy, no‑cut installation.
Injen 17-19 Chevy Silverado 2500/3500 Duramax L5P 6.6L Evolution Cold Air Intake (Oiled Filter)
