2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engine. Fits 2/4 wheel drive and all wheelbases. - Moderate sound
2011-2014 Ford F-150 with 3.5L Ecoboost, fits all wheelbases. - Moderate to mild sound
2012-2018 Ford Focus hatchback with 2.0L engine. Does not fit sedan model or ST. - Moderate sound
2014-2016 Ford F-250 Super Duty/F-350 Super Duty with 6.2L gas engine. - Moderate to mild sound
2015-2020 Ford F-150 with 2.7L/3.5L Ecoboost, 3.5L TiVCT or 5.0L engine. - Moderate to mild sound
Fits 2004-2008 Ford F-150 & Lincoln Mark LT trucks with 4.6L or 5.4L engine. - Mild sound
Fits 2008-2013 Ford F-250/F-350 Super Duty with V8 or V10 gas engine. - Moderate sound
Fits 2008-2013 Ford F-250/F-350 truck with V8 or V10 engine. - Mild sound