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The MagnaFlow Street Series cat-back exhaust for 2003 GM Silverado 2500HD 6.0L delivers a resonant, powerful engine tone and dyno-proven performance. With mandrel-bent 4" main piping and a straight-through muffler exiting at a single passenger-side rear 4" polished single-wall rolled-edge tip, the system produces moderate exterior and mild interior sound. Direct-fit 3D-scanned design and CNC precision manufacturing make installation straightforward.
MagnaFlow Sys C/B 03 GM Silverado 2500Hd 6.0L
