Dodge Dart Air Intake

Why buy a cold air intake like everyone else when you can build your own?

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

Dual plane or single plane intake manifold? Which is the best for your project vehicle's engine? Learn the differences in our buyer's guide.

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.