How much power does a Performance Air Filter add? DYNO PROOF!
18:25
Best Intake - K&N vs Stock vs Swiss Cheese mod. Test & Review
13:20
The ULTIMATE Air Filter Test [Engineer Tested]
9:06
Miata Dyno Tests: What's the best Intake Length for Power?
8:45
Does a performance air filter give you more power? I fitted one to my Porsche 911 to find out!
4:45
Extreme Cold Air Intake Testing - How Much HP Gain?
8:24
Dyno testing POD FILTER Performance Claims | CASH vs TRASH
8:36
K&N Air Filter vs OEM Filter - Diesel
45:52