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The MagnaFlow Sport Series cat-back for 2008–2012 Audi S5 4.2L is a direct-fit stainless system tuned for an aggressive exterior tone and moderate interior sound. It features 2.5" mandrel-bent main piping, three straight-through mufflers and quad split rear exits with 3.5" polished double-wall tips. Dyno-proven and built with corrosion-resistant stainless steel, it replaces stock components from the catalytic converter back.
MagnaFlow SYS C/B 09 Audi S5 4.2L V8 Coupe
