SOUNDS LIKE A JET Cummins with VGT turbo and exhaust brake on during cold start. 4 Inch Turbo Back Exhaust 5.9 Cummins 2006
4” Stainless Turbo Back 3rd Gen Common Rail 5.9 Cummins My 2001 Dodge 2500 Cummins 24v with 4” mbrp straight pipe. CORSA Cat-Back System for a 2003-07 Dodge RAM 2500 5.9L Cummins 5.9 Cummins Coldstart ...