Want to modify or upgrade your 2017-2020 Audi A4 with aftermarket axle back? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi A4. We have 2 axle back parts available in our store with free shipping to the Continental US.
aFe Exhaust Axle Back
 $1,006.95 49-36419-PaFe MACHForce XP 3in-2.5in SS Exhaust Axle-Back 17-19 Audi A4 (B9) L4-2.0L (t) - Polished IN STOCK - LOW 2017-2019 Audi A4 Premium / Premium Plus / Prestige 2019-2019 Audi A4 Titanium |
 $877.80 49-36445aFe 20-21 Audi A4 L4-2.0L (t) MACH Force-Xp 3in to 2-1/2in 304 SS Axle-Back Exhaust System IN STOCK (1) - LOW SHIPS FROM MANUFACTURER (Last checked: 12/31/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2020-2020 Audi A4 Premium / Premium Plus / Prestige |