Fits 1999-2007* (*Classic body) GM Silverado/Sierra 1500 with either a 4.3L, 4.8L or 5.3L engine. 2/4 Wheel Drive with 143.5 inch wheelbase - Moderate sound
2001-2006 Chevrolet Suburban, Avalanche and GMC Yukon XL 1500 with 5.3L engine. Stainless Steel - Aggressive to moderate sound
1999-2007* (2007 Classic Only) Chevrolet Silverado, GMC Sierra 1500 4.3L, 4.8L, 5.3L engine, Extended Cab/Short Bed. Stainless Steel - Aggressive to moderate sound
1999-2007* (*Classic body Only) Chevrolet Silverado/GMC Sierra 1500 4.3L, 4.8L, 5.3L engine, Standard Cab/Short Bed. Stainless Steel - Aggressive to moderate sound
Fits 1996-1999 Chevrolet Silverado, GMC Sierra 1500 trucks with 5.7L engine - Moderate sound
Fits 2007*-2013 GM (*not classic body) Silverado/Sierra 1500 with the 5.3L engines. - Moderate 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
Fits 2011-2019 Chevrolet Silverado, GMC Sierra 2500HD/3500HD with 6.0L engine - Aggressive to moderate sound
Fits 2011-2018 Chevrolet Silverado 1500, GMC Sierra 1500 with 6.2L engine. - Aggressive to moderate sound
Fits 2011-2018 Chevrolet Silverado/GMC Sierra 1500 trucks with 6.2L engine.
2014-2019* (*Classic body) GM Silverado/Sierra 1500 4.3L & 5.3L engines. - Moderate sound
2014-2019* (*Classic body) GM Silverado/Sierra 1500, 4.3L & 5.3L engines.