MBRP 2001-2007 Chev/GMC 2500/3500 Duramax EC/CC Down Pipe Back Cool Duals Off-Road (includes fron

Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. Installer Series Cool Duals™ Off Road Exhaust System; 4 in.; Incl. Front Pipe/Extension Pipes/Muffler/Tailpipes/Over Axle Pipe/Hardware/5 in. OD Tip; Dual Side Exit; Aluminized; 4" front pipe, 5" OD tip included "Not for use on vehicles equipped with Catalytic Converter" ( 2002-2004 'Clean State' [California] has a Catalytic Converter) Fitment: 2001 Chevrolet Silverado 2500 HD Base 2001 Chevrolet Silverado 2500 HD LS 2001 Chevrolet Silverado 2500 HD LT 2001 Chevrolet Silverado 3500 Base 2001 Chevrolet Silverado 3500 LS 2001 Chevrolet Silverado 3500 LT 2001 GMC Sierra 2500 HD SL 2001 GMC Sierra 2500 HD SLE 2001 GMC Sierra 2500 HD SLT 2001 GMC Sierra 3500 SL 2001 GMC Sierra 3500 SLE 2001 GMC Sierra 3500 SLT 2002 Chevrolet Silverado 2500 HD Base 2002 Chevrolet Silverado 2500 HD LS 2002 Chevrolet Silverado 2500 HD LT 2002 Chevrolet Silverado 3500 Base 2002 Chevrolet Silverado 3500 LS 2002 Chevrolet Silverado 3500 LT 2002 GMC Sierra 2500 HD Base 2002 GMC Sierra 2500 HD SL 2002 GMC Sierra 2500 HD SLE 2002 GMC Sierra 2500 HD SLT 2002 GMC Sierra 3500 Base 2002 GMC Sierra 3500 SL 2002 GMC Sierra 3500 SLE 2002 GMC Sierra 3500 SLT 2003 Chevrolet Silverado 2500 HD Base 2003 Chevrolet Silverado 2500 HD LS 2003 Chevrolet Silverado 2500 HD LT 2003 Chevrolet Silverado 3500 Base 2003 Chevrolet Silverado 3500 LS 2003 Chevrolet Silverado 3500 LT 2003 GMC Sierra 2500 HD Base 2003 GMC Sierra 2500 HD SLE 2003 GMC Sierra 2500 HD SLT 2003 GMC Sierra 3500 Base 2003 GMC Sierra 3500 SLE 2003 GMC Sierra 3500 SLT 2004 Chevrolet Silverado 2500 HD Base 2004 Chevrolet Silverado 2500 HD LS 2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2004 Chevrolet Silverado 3500 Base 2004 Chevrolet Silverado 3500 LS 2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2004 GMC Sierra 2500 HD Base 2004 GMC Sierra 2500 HD SLE 2004 GMC Sierra 2500 HD SLT 2004 GMC Sierra 2500 HD WT 2004 GMC Sierra 3500 Base 2004 GMC Sierra 3500 SLE 2004 GMC Sierra 3500 SLT 2004 GMC Sierra 3500 WT 2005 Chevrolet Silverado 2500 HD Base 2005 Chevrolet Silverado 2500 HD LS 2005 Chevrolet Silverado 2500 HD LT 2005 Chevrolet Silverado 2500 HD WT 2005 Chevrolet Silverado 3500 Base 2005 Chevrolet Silverado 3500 LS 2005 Chevrolet Silverado 3500 LT 2005 GMC Sierra 2500 HD Base 2005 GMC Sierra 2500 HD SLE 2005 GMC Sierra 2500 HD SLT 2005 GMC Sierra 2500 HD WT 2005 GMC Sierra 3500 Base 2005 GMC Sierra 3500 SLE 2005 GMC Sierra 3500 SLT 2005 GMC Sierra 3500 WT 2006 Chevrolet Silverado 2500 HD LS 2006 Chevrolet Silverado 2500 HD LT 2006 Chevrolet Silverado 2500 HD WT 2006 Chevrolet Silverado 3500 LS 2006 Chevrolet Silverado 3500 LT 2006 Chevrolet Silverado 3500 WT 2006 GMC Sierra 2500 HD SL 2006 GMC Sierra 2500 HD SLE 2006 GMC Sierra 2500 HD SLT 2006 GMC Sierra 2500 HD WT 2006 GMC Sierra 3500 SL 2006 GMC Sierra 3500 SLE 2006 GMC Sierra 3500 SLT 2006 GMC Sierra 3500 WT 2007 Chevrolet Silverado 2500 HD Classic LS 2007 Chevrolet Silverado 2500 HD Classic LT 2007 Chevrolet Silverado 2500 HD Classic WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT