[Tomko]

Become informed. Learn to separate fact from butt dyno fiction. Don't read advertising copy as objective third party testing. Stay in school - don't do drugs. Oh yeah, and read this:

Air Filter Comparison Study - GM Truck Central

 

[Tomko]

Throw that K&N where it belongs.

MANN is an OEM supplier of filters to GM and is respected.

AC Delco air filter is the one that most of us use.

Whatever you do, your car deserves a new filter.