Fits 2012-2014 Ford F-150 with 3.5L Ecoboost engine. CARB compliant under EO # D-698-7.
Fits 1986-1993 Ford Mustang LX 5.0L & 1986 Mustang GT 5.0L
1987-1996 Ford F-150 with V6, V8 engines. Fits 2/4 wheel drive, all wheelbases. - Aggressive to moderate sound