04 Chevy 5.3 Flowmaster/ no cats
My pop's 2004 Chevy Silverado z71 5.3L. It has a 3" Flowmaster Original 40 series muffler (si/do), 2.5" tailpipes, 3.5x16.5" stainless tips at a 90* exit, and the catalytic converters have been completely removed.
My pop's 2004 Chevy Silverado z71 5.3L. It has a 3" Flowmaster Original 40 series muffler (si/do), 2.5" tailpipes, 3.5x16.5" stainless tips at a 90* exit, and the catalytic converters have been completely removed.