Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 1994-2004 FORD (Mustang, Mustang SVT Cobra, Mustang GT), E-0940 : Automotive
1967-1968 All Makes All Models Parts | 9601E | 1967-68 Ford Mustang; Cobra GT350/500; OEM Style Oval Air Filter Element | Classic Industries