One of the first modifications many enthusiasts make to their ride is adding a cold-air intake. This replaces the stock intake, a complex, convoluted contraption of pipes and baffles that keep the ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...

How cold air intakes work. How do cold air intakes increase horsepower? What is the relationship between air temperature and horsepower? This video explains the theory behind cold air intakes. Note: ...