I have them in my tour and explorer.I look at it this way.
1.It flows more air than stock(paper)
2.There probally is more improvement(it moves more air)
and 3.The best thing it's reusable!!
2000 contour se sport V6
tropic green,gray leather.
K&N filter,Brembo crossdrilled/slotted rotors,Magnaflow stainless mufflers/Borla tips.
OEM SVT body kit
Hancook winter tires
on Focus wheels.
1999 Ford Explorer XLT,Gray cloth power lumbar,rear a/c and radio,AWD.
K&N filter,Edelbrock IAS shocks,and Backcountry step bars.
Mobil One used in both!
| 
