what is the best cold air intake for a scion frs aei or k&n?
- Pete MLv 77 years agoFavorite Answer
The stock factory air intake has been engineered, designed and built to perform the best with your vehicle.
See links below for more information:Source(s): http://www.ricksfreeautorepairadvice.com/repair-to... http://forums.tdiclub.com/showthread.php?t=290373 http://www.driveaccord.net/forums/showthread.php?t...
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