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Adding 151 HP to my Audi S4 w/ E85! Tuning, Fuel Pump Upgrade & Ethanol Sensor
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Audi B9 S4 034Motorsport Carbon Fiber SüperDüper X34 Intake & Turbo Inlet Install
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My New Audi S4 from Auction! Stage 1 Tune, 500 Mile Review & Launch Control
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700hp+ RS6 v RS3 v S4: DRAG RACE
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034 Super Duper Intake (Audi B9) | Install | Reaction | Turbo Noises!
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Dyno Testing Integrated Engineering's B9 S4 Air Intake & Turbo Inlet
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How Fast Is My Turbo V6 Accord?
48:11