Upgrade your Audi S4's performance and sound with the Touring Series Stainless Cat-Back System from MagnaFlow. Experience enhanced exhaust flow and a refined growl with superior craftsmanship.
The MagnaFlow 2010-2016 Audi S4 Touring Series Cat-Back Performance Exhaust System is engineered for long-lasting durability and stellar performance. Constructed from stainless steel, this cat-back system is designed to maximize power while providing a mellow, deep sound.
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