S-Type Cat-Back(tm) Exhaust System 2018-2022 Audi S4/ S5 3.0L V6 Turbo Automatic/ Manual Transmission All Wheel Drive 2 and 4 Door With Electronic Exhaust Valves. Borla(r) System Contains Exhaust Valve Simulators.

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System features a merge X-Pipe for increased performance and improved sound. System includes electronic exhaust valve simulators which ELIMINATE the valves. This avoids any warning lights on the dash while providing maximum flow at all times. System features polished T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium, high-quality T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

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Application Summary:

Year	Make/Model
2018-2021	Audi S4
2018-2022	Audi S5