Want to modify or upgrade your 2017-2020 Audi A4 with aftermarket catback? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi A4. We have 9 catback parts available in our store with free shipping to the Continental US.
aFe Exhaust Cat Back
 $1,111.04 SALE 49-36446aFe 20-21 Audi A4 L4-2.0L (t) MACH Force-Xp 3in to 2-1/2in Stainless Steel Cat-Back Exhaust System OUT OF STOCK 2020-2020 Audi A4 Premium / Premium Plus / Prestige |
AWE Tuning Cat-Back SwitchPath
 $3,405.00 3025-32014AWE Tuning Audi B9 A4 SwitchPath Exhaust Dual Outlet - Chrome Silver Tips (Includes DP and Remote) OUT OF STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
 $3,405.00 3025-33014AWE Tuning Audi B9 A4 SwitchPath Exhaust Dual Outlet - Diamond Black Tips (Includes DP and Remote) OUT OF STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
AWE Tuning Cat-Back Touring
 $1,960.00 3015-32078AWE Tuning Audi B9 A4 Touring Edition Exhaust Dual Outlet - Chrome Silver Tips (Includes DP) OUT OF STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
 $1,960.00 3015-33078AWE Tuning Audi B9 A4 Touring Edition Exhaust Dual Outlet - Diamond Black Tips (Includes DP) IN STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
AWE Tuning Cat-Back Track
 $1,495.00 3020-32024AWE Tuning Audi B9 A4 Track Edition Exhaust Dual Outlet - Chrome Silver Tips (Includes DP) OUT OF STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
 $1,495.00 3020-33026AWE Tuning Audi B9 A4 Track Edition Exhaust Dual Outlet - Diamond Black Tips (Includes DP) IN STOCK - LOW 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
AWE Tuning Exhaust Conversion Kits
 $825.00 3815-31002AWE Tuning B9 A4 A5 Track to Touring Conversion Kit IN STOCK - LOW 2017-2018 Audi A4 Premium / Premium Plus / Prestige |
 $305.00 3820-31002AWE Tuning B9 A4 / A5 to Touring to Track Conversion Kit IN STOCK 2017-2018 Audi A4 Premium / Premium Plus / Prestige |