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The MagnaFlow Competition Series cat-back for 2005–2006 Pontiac GTO 6.0L gives an aggressive, deep resonant note and dyno-proven performance. It uses mandrel-bent 3in main piping, two straight-through mufflers and a dual split rear exit with 4in polished welded double-wall angle-cut tips. Crafted from 409 stainless steel with mandrel-bent tubing, CNC-produced and engineered for direct-fit installation; intended for competition-oriented sound—check local noise regulations.
MagnaFlow SYS C/B 05-06 Pontiac GTO 6.0L 3inch
