04 Chevy 5.3 Flowmaster 40/ no cats
2004 Chevy Silverado z71 5.3L Vortec v8 with a 3" Flowmaster Original 40 series muffler, 2.5" tailpipes, 3.5x18" tips and 2.5" catalytic converter delete pipes. 90 degree exits have since been installed.
2004 Chevy Silverado z71 5.3L Vortec v8 with a 3" Flowmaster Original 40 series muffler, 2.5" tailpipes, 3.5x18" tips and 2.5" catalytic converter delete pipes. 90 degree exits have since been installed.