034Motorsport B9/B9.5 Audi S4/S5 3.0T Dynamic+ Performance Software Package : Unleash Up To 774HP/716TQ By Transforming Your Audi EA839 3.0T With ...

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Audi B9 S4 Quattro 3.0T - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune: Gains From 67 WHP/108 WTQ On Stage 1 Up To 102 WHP/122...

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Audi B9 S4 Quattro 3.0T - Obdeleven 2 PRO Pack + 200 Credits: The Professional Volkswagen Group (VAG) And BMW/MINI Diagnostic Tool. Supported By ...

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Audi B9 S4 Quattro 3.0T - 034Motorsport P34 Superduper Insuction Bundle: 034Motorsport's P34 Cold Air Intake System Delivers Improved Power, Sound...

RS Red Top Performance Ignition Service Kit : Add 8V RS3/B9 S4 Spark With These Red Top Coil Packs And Brisk Silver Racing Er12s ...

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Chip Tuning Audi A4 (B9) (Facelift) 45 TFSI Mild Hybrid | +26 Hp | The New Racechip RS + App

Audi B9 S4 Quattro 3.0T - Enthusiast Bundles Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System & Luft-Technik Intake System: Improve The Sound And...