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K&N 77 Series performance cold air intake for 2011–2014 Chevrolet Silverado/GMC Sierra 2500/3500 6.6L pairs a mandrel‑bent aluminum intake tube with a washable, reusable oiled cotton High‑Flow air filter. K&N states this system provides a guaranteed increase in horsepower and torque, features an oversized conical filter that can allow long service intervals, and typically installs in under 90 minutes with a custom heat shield.
K&N 77 Series Performance Intake Kit for 11-14 Chevrolet Silverado/GMC Sierra 2500/3500 V8 6.6L
