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Sinister Diesel's cold air intake for 2013–2016 Chevy/GMC Duramax 6.6L LML replaces restrictive factory plumbing with CNC mandrel-bent aluminum tubing and an oversized reusable cotton filter to improve throttle response and turbo spool. Polished and powder-coated in Sinister Blue, the kit includes silicone couplers and hardware for an easy drop-in installation. It’s intended to boost performance and efficiency for daily driving, towing or racing when paired with complementary exhaust or tuning products.
Sinister Diesel Cold Air Intake 13-16 Chevy / GMC Duramax 6.6L LML
