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Different exhaust parts are offered depending on the vehicle version
Experience the ultimate in performance and luxury with the Audi A4/A5 B9 Quattro iPE Exhaust System
When the valves are closed
this cat back system delivers a powerful and exhilarating sound while improving your vehicle's overall performance
Audi B9 S5 (Non Sport Diff Vehicles Only) Fi Exhaust (Frequency Intelligent Exhaust) high-performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high-grade T304 stainless steel that offers an exhilarating soundtrack
Audi S4/S5 3.0T B9 Fi Original Exhaust System Audi-A4-2017 Different exhaust parts are offeredAudi B9 S5 (Non Sport Diff Vehicles Only) Fi Exhaust (Frequency Intelligent Exhaust) high performance valvetronic exhaust system is direct replacement bolt on system manufactured out of a high grade T304 stainless steel that offers an exhilarating soundtrack. The Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is expected to increase from
