1998-2003 Ford F-150 truck with 4.6L or 5.4L engine. - Mild sound
1999-2004 Ford F-250, F-350 trucks Super Duty chassis with a V8 or V10 engine. - Moderate to mild sound
1999-2004 Ford Mustang LX with 3.8L engine. - Moderate sound
1999-2007* (*Classic body only) Chevrolet and GMC 1500 with a 4.3L, 4.8L or 5.3L engine. - Mild sound
1999-2007* (*Classic Body Only) Chevrolet Silverado/GMC Sierra 1500 with 4.3L, 4.8L or 5.3L engine. - Mild sound
1999-2007* (*Classic body) Chevrolet/GMC 1500 with a 4.3L, 4.8L or 5.3L engine. - Mild sound
2000-2003 Dodge Dakota truck with 4.7L, 5.2L or 5.9L engine. - Moderate to mild sound
2000-2006 Chevrolet Tahoe and GMC Yukon with a 4.8L or 5.3L engine. - Mild sound
2000-2006 Jeep Wrangler TJ with 4.0L engine. - 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 trucks with 4.6L or 5.4L engine. - Mild sound
2005-2007 Ford F-250/F-350 trucks with a V8 or V10 engine. - Moderate to mild sound
