MBRP Armor Pro 3 Inch Cat-Back Quad Exit Exhaust For 15–20 Audi S3 2.0L T304 SS 2013-2018 Ford Focus 2.0L EcoBoost ST 4" mandrel-bent tubing enhances flow

4" mandrel-bent tubing enhances flow and throttle response

A free-flowing stainless steel muffler is used to absorb high pitch tones

the XL80 offers a 20% dimming feature

or Driving optics

MBRP Armor Pro 3 Inch Cat-Back Quad Exit Exhaust For 15–20 Audi S3 2.0L T304 SS 2013-2018 Ford Focus 2.0L EcoBoost ST 4" mandrel-bent tubing enhances flowTake your Audi S3 to the next level with the MBRP Armor Pro Cat Back Exhaust System. Crafted from premium T304 stainless steel, this system is engineered for unmatched durability and corrosion resistance, making it ideal for demanding driving conditions and performance focused enthusiasts. The system features a quad split rear exit design and delivers a deep, aggressive exhaust tone with refined acoustics, thanks to the integrated Helmholtz resonator.