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The aFe MACH Force‑Xp axle‑back exhaust for 2020–2021 Audi A4 (B9.5) 2.0L turbo is built from 3‑inch to 2.5‑inch mandrel‑bent 304 stainless steel tubing and uses a high‑flow muffler to produce a mild, deepened tone. CAD‑designed fitment and factory‑style hangers provide a precise, no‑mod installation, while MIG‑welded construction offers durability and corrosion resistance for long service life.
aFe 20-21 Audi A4 L4-2.0L (t) MACH Force-Xp 3in to 2-1/2in 304 SS Axle-Back Exhaust System
