2005-2009 Ford Mustang with V6 engine. - Mild sound
2007-2008 GM Silverado/Sierra 1500 4.8L, 5.3L engine flex fuel. All wheelbases except EC/LB. Also fits 2009-2013 GM Silverado/Sierra 1500 with 5.3L Extended Cab/6-ft bed and CC/5.5ft bed. - Mild sound
2007-2018 Jeep Wrangler JK with 3.6L or 3.8L engine, fits both 2 door and 4 door models. - Mild sound
2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engine. - Moderate to mild sound
2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engine. Fits 2/4 wheel drive and all wheelbases. - Moderate sound
2009-2021 Toyota Tundra 4.6L, 4.7L and 5.7L engines. - Moderate sound
2011-2014 Charger R/T, Chrysler 300 with 5.7L Hemi engine, including all wheel drive models. - Moderate to mild sound
2011-2014 Ford F-150 with 3.5L Ecoboost, fits all wheelbases. - Moderate to mild sound
2011-2019 Chevrolet/GMC 2500/3500HD trucks with 6.0L engine. Fits Crew cab/short bed. - Moderate to mild sound
2011-2023 Dodge Durango R/T 5.7L Hemi and 3.6L engines, both 2 & 4 Wheel Drive models. - 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