Audi S4 Exhaust Systems

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BORLA® Exhaust for the 2018 AUDI S4 (B9)

The BORLA® R&D Team has been working hard to bring you the best exhaust system for the 2018 B9 Audi S4.

  • T-304 Stainless Steel Construction
  • Dual 2.5" tubing, into mufflers with dual tips
  • Quad 3.5" Angle-Cut Tips. Available in Polished or Brushed Finishes
  • S-Type Sound Level
  • System includes electronic exhaust valve simulators

The 3.0T engine in the S4/S5/Sportback deserves a free-flowing exhaust and the driver deserves more aural excitement, Borla offers both in Cat-Back format. The sound is tuned specifically for each vehicle to bring out as much excitement as possible while maintaining the sophistication of the car.

Each BORLA® Exhaust System is built from premium T-304-series stainless steel to give you the absolute best in performance and durability. We strive to provide you with the best quality products​.

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