Want to modify or upgrade your 2006-2009 Audi S4 with aftermarket catback? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi S4. We have 5 catback parts available in our store with free shipping to the Continental US.
AWE Tuning Cat-Back Touring
 $2,065.00 3015-42014AWE Tuning Audi B7 S4 Touring Edition Exhaust - Polished Silver Tips OUT OF STOCK 2006-2008 Audi S4 Avant / Base |
 $2,165.00 3015-43016AWE Tuning Audi B7 S4 Touring Edition Exhaust - Diamond Black Tips OUT OF STOCK 2006-2008 Audi S4 Avant / Base |
AWE Tuning Cat-Back Track
 $1,855.00 3020-42010AWE Tuning Audi B7 S4 Track Edition Exhaust - Polished Silver Tips OUT OF STOCK 2006-2008 Audi S4 Avant / Base |
 $2,065.00 3020-43010AWE Tuning Audi B7 S4 Track Edition Exhaust - Diamond Black Tips OUT OF STOCK 2006-2008 Audi S4 Avant / Base |
Magnaflow Catback Exhaust
 $1,546.00 16586MagnaFlow SYS C/B 04-05 Audi A4/S4 4.2L DSR OUT OF STOCK 2004-2006 Audi S4 Avant / Base / Cabriolet |