Awasome Does A Cold Air Intake Increase Mpg References. One option that many consider is installing an aftermarket cold air intake. Web basically, a cold air intake lowers the temperature of air entering the engine.

The theory is that the engine can run more efficiently and use less fuel by providing more air. It is universally acknowledged that cold air intake optimizes mpg. Web the only thing an aftermarket cold air intake will do for your truck is increase intake noise, a sound many people like, which will likely make you step on the.