DIY air filter?
All this stuff is common sense guys, come on!
JUST DO THE DARIN TAKE, ITS FREE AND PEOPLE CLAIM AROUND 5-10 HP GAIN.
INSTRUCTIONS.
http://forums.audiworld.com/s4/msgs/1189646.phtml
You don't need to buy the cone filter, or get the mesh, just drill holes in the bottom of the intake and replace the filter with either a K&N or a stock intake filter.
RESULTS
http://forums.audiworld.com/s4/msgs/1182984.phtml
JUST DO THE DARIN TAKE, ITS FREE AND PEOPLE CLAIM AROUND 5-10 HP GAIN.
INSTRUCTIONS.
http://forums.audiworld.com/s4/msgs/1189646.phtml
You don't need to buy the cone filter, or get the mesh, just drill holes in the bottom of the intake and replace the filter with either a K&N or a stock intake filter.
RESULTS
http://forums.audiworld.com/s4/msgs/1182984.phtml
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