I used a K&N E3260 and got it from amazon. Mine is EFI, but I think they are the same. Please confirm.
[ame="http://www.amazon.com/E-3260-High-Performance-Replacement-Filter/dp/B000CO83NK/ref=sr_1_1?ie=UTF8&qid=1406664076&sr=8-1&keywords=k%26N+e-3260"]Amazon.com: K&N E-3260 High Performance Replacement Air Filter: Automotive[/ame]