aFe 54-12102-P: Air Intake Ford Mustang 3.7L 11-13, Stage 2 Cold Air Intake System with Pro 5R Air Filter (54-12102-P) by aFe. The aFe Stage 2 Cold Air Intake System replaces your entire factory air intake system with a large high-flow aFe Pro 5R air filter, open element airbox/heat shield and a smoothly contoured, less restrictive intake tube. This system enables your engine to take in huge quantities of dense, cool, oxygen laden air. The result is better combustion, increased horsepower and torque, and a noticeable gain in performance.
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