2018-2019 Audi A5 Dual Exit Polished Stainless Steel Catback Exhaust 3in Main Piping Diameter (MAG19390)The MagnaFlow Sport Series Cat Back Performance Exhaust System enhances your Audi A5 2. 0L with an aggressive character and signature resonant exhaust tone. Featuring fast flowing mandrel bent 3in. main piping routed through dual straight through mufflers, this system exits through a dual split rear configuration with 4. 5in. polished welded on double wall angle cut folded edge tips. The cat back layout replaces the factory exhaust components from the