The Audi S3 Cat Back performance exhaust system is one to be reckoned with.
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System
3" Cat Back, Quad Split Rear, T304 Stainless Steel
3in. Cat Back; Quad Split Rear Exit; T304
MBRP Exhaust Pro Series, Cat-Back System.
(4) 4" OD Tips Included, Valve Delete
3" Cat Back, Quad Split Rear, T304
MBRP Exhaust Cat-Back System
Exhaust System Kit
Cat-Back System
Euro
Dual
