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MagnaFlow SYS C/B 09 Audi S5 4.2L V8 Coupe

Unleash the full potential of your Audi S5 with the MagnaFlow Sport Series Cat-Back Performance Exhaust System. This dyno-proven system is designed to deliver aggressive exterior sound levels and moderate interior sound levels, making it perfect for those who want to make a statement on the road.

With its 2.5in. diameter fast-flowing mandrel bent main piping, 3 Straight-Through mufflers, and Quad Split Rear exit with 3.5in. Polished Welded-Double Wall-Angle Cut-Folded Edge tips, this exhaust system is built to impress. The cat-back design replaces all your import's stock exhaust components from the catalytic converter on back, ensuring a perfect fit with a simple do-it-yourself installation process.

  • Limited Lifetime Warranty Against Manufacturing Defects
  • Dyno-proven performance
  • Performance Gains In Horsepower And Torque
  • Mandrel Bent/All Welded/Built To Last
  • Dyno Tested And Proven To Make Power
  • Great Sound Has A Smooth Deep Tone
  • 100 Percent All Stainless Steel
  • Easy To Install
Make Model Year Type
Audi S5 2008 Base
Audi S5 2009 Base
Audi S5 2010 Base
Audi S5 2011 Base
Audi S5 2012 Base
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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