MBRP S5128AL 2.5" Aluminized Cat Back, Dual Split Side for 2006-2008 Dodge Ram Hemi 1500 5.7L SC/CC-SBOur 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 Cat Back Exhaust System; 3 in.; Incl. Extension Pip Muffler Over Axle Pipes Tailpipes Hardware 3. 5 in. Tips; Dual Split Side Exit; Aluminized; 3. 5" OD Tip Included