1987-1993 Ford F-250/F-350 trucks with a 7.5L engine and a 2.50-inch catalytic converter. - Moderate sound
1987-1996 Ford F-150 with a V6 or V8 engine. - Aggressive to moderate sound
1987-1996 Ford F-150 with V6, V8 engines. Fits 2/4 wheel drive, all wheelbases. - Aggressive to moderate sound
1994-1997 Ford F-250/F-350 trucks with a 5.8L or 7.5L engine using a 3-inch catalytic converter. - Mild sound
1998-2003 Ford F-150 truck with 4.6L or 5.4L engine. - Mild sound
1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2/4-wheel drive models. - Aggressive sound
1999-2004 Ford F-250, F-350 trucks Super Duty chassis with a V8 or V10 engine. - Moderate to mild sound
2004-2008 Ford F-150 & Lincoln Mark LT trucks with a 4.6L or 5.4L engine. - Mild sound
2004-2008 Ford F-150 and Lincoln Mark LT truck with 4.6L, 5.4L engine. - Aggressive to moderate sound
2004-2008 Ford F-150 and Lincoln Mark LT trucks with 4.6L or 5.4L engine. - Mild sound
2004-2008 Ford F-150 and Lincoln Mark LT trucks with 4.6L, 5.4L engine. - Aggressive to moderate sound
2005-2007 Ford F-250/F-350 trucks with a V8 or V10 engine. - Moderate to mild sound
