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MagnaFlow Sys C/B 08 Hummer H3 5.3L V8

Unleash the full potential of your 2008-2010 Hummer H3 with the MagnaFlow Street Series Cat-Back Performance Exhaust System. This system is designed to deliver a powerful engine tone and dyno-proven performance, thanks to its fast-flowing, mandrel-bent 2.5in. main piping and 2 Straight-Through mufflers.

  • Fast-flowing, mandrel-bent 2.5in. main piping for increased performance
  • 2 Straight-Through mufflers for a powerful engine tone
  • Dual Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips
  • CNC precision robotic manufacturing techniques for a precise fit
  • Backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty
Make Model Year Type
Hummer H3 2008 Alpha
Hummer H3 2009 Alpha
Hummer H3 2009 Championship Series
Hummer H3 2010 Alpha
MagnaFlow is best known for manufacturing performance exhaust systems, but their catalog of product also includes catalytic converters, universal mufflers, exhaust tips, universal piping, glass pack mufflers, and headers. MagnaFlow incorporates advanced manufacturing processes into every product they make. As a result, they have become the leader in first to market applications while maintaining high quality product standards.
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