This BORLA(r) Cat-Back system was designed specifically for the Audi 2.0L turbo engine. The 3" diameter system flows into dual 2.25" tail pipes on each muffler assembly. Includes a 3.0" O.D. x 2.5" O.D. x 6.63" long adapter for clamp on installation to the stock exhaust system. Do not use the adapter for full 3” inlet. The system has functioning valves. It delivers the classic S-Type sound with no drone inside the vehicle. Add optional resonator 60707 for additional sound control. The exhaust exits thru dual 3.5" round polished T-304 stainless steel tips on each muffler assembly (4 tips total). BORLA(r) Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed 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 austenitic T-304 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 numerical control (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.. Borla Cat-Back and Rear Section 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 Sound of power respected enthusiasts everywhere. Each system is built from premium 300 series austenitic stainless steel; superior to T-400 series knockoffs; to give you the absolute best in performance and durability. Ultra smooth mandrel bends ensure maximum flow and power; and precision computer controlled CNC manufacturing ensures an accurate fit. Best of all Borla stands behind every system with a Million-Mile Warranty. Just what you would expect from the worlds most experienced and most winning exhaust brad.. S-Type Cat-Back Exhaust System 2015-2020 Audi 8V S3 2.0L 4 Cyl. Turbo Automatic/ Manual Transmission All Wheel Drive 4 Door.. Includes adapter for connection to the stock system. Do not use adapter for full 3" inlet.. Add Extension Pipe 60713 For Crew Cab With Long Bed (8' 2") 172" Wheelbase Vehicles.. Borla 13-15 Audi S3 S-Type Dual Round Rolled Catback Exhaust. BORLA(r) system contains functioning exhaust valves. Add Resonator 60707 for additional sound control. 3" diameter into dual 2.25" on each side system. BORLA Cat-Back Exhaust System - S-Type. Cat-Back Exhaust System - S-Type. S-Type; Cat-Backâ„¢ System. Million Mile Warranty. Exhaust System Kit. Cat-Back System. ExhstSysKt

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