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  1. Showing 1 - 36 out of 71 results for "audi s4 performance"
    1. Audi S4 B6 V8 - Bilstein B14 PSS Suspension System: Height Adjustable Suspension System With Performance Valving And Application Specific, ...
      5
      ·
      13
      5
      13 ratings
      Audi S4 B6 V8 - Bilstein B14 PSS S…
      E
      ECS Tuning
      delivery truckFree shipping
    2. Audi S4 B7 V8 - ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5: Enhance Braking Performance With This Plug-And-Play Upgrade! Featuring Massive 6-...
      SALE
      Audi S4 B7 V8 - ECS "Stage 4" Fro…
      $1,999.99
      E
      ECS Tuning
      delivery truckFree shipping
    3. Audi S4 B7 V8 - Bilstein B14 PSS Suspension System: Height Adjustable Suspension System With Performance Valving And Application Specific, ...
      5
      ·
      13
      5
      13 ratings
      Audi S4 B7 V8 - Bilstein B14 PSS S…
      E
      ECS Tuning
      delivery truckFree shipping
    4. Audi B9 S4 Quattro 3.0T - Air Lift Performance 3H Digital Air Management: The Most Advanced Height + Pressure Control With 3/8" Manifold
      4.8
      ·
      10
      4.8
      10 ratings
      Audi B9 S4 Quattro 3.0T - Air Lift Pe…
      E
      ECS Tuning
      delivery truckFree shipping
    5. SALE
      Audi B5 S4 - ECS "Stage 4" Front B…
      $1,999.99
      E
      ECS Tuning
      delivery truckFree shipping
    6. SALE
      Audi S4 Quattro B8 3.0T - Assembl…
      $500.94
      E
      ECS Tuning
      delivery truckFree shipping
    7. SALE
      Enthusiast Bundles Audi B8/8.5 S4 …
      $3,351.75
      E
      ECS Tuning
      delivery truckFree shipping
    8. SALE
      Audi B9 S4 Quattro 3.0T - Integrate…
      $1,099.99
      E
      ECS Tuning
      delivery truckFree shipping
    9. 4.8
      ·
      10
      4.8
      10 ratings
      Audi S4 B7 V8 - Air Lift Performanc…
      E
      ECS Tuning
      delivery truckFree shipping
    10. Audi S4 Ecu Tune
      E
      Eurocharged Performance
      delivery truckFree shipping
    11. 4.8
      ·
      15
      4.8
      15 ratings
      Audi B9 S4 Quattro 3.0T - Power St…
      E
      ECS Tuning
      delivery truckFree shipping
    12. 4.6
      ·
      14
      4.6
      14 ratings
      Audi S4 B6 V8 - Pentosin Pento Hig…
      E
      ECS Tuning
    13. SALE
      Audi S4 B7 V8 - H&R Sport Springs …
      $252.95
      E
      ECS Tuning
      delivery truckFree shipping
    14. SALE
      Audi S4 B7 V8 - Assembled By EC…
      $1,082.88
      E
      ECS Tuning
      delivery truckFree shipping
    15. SALE
      Audi B8 S4 - 034Motorsport S34 Ca…
      $441.00
      E
      ECS Tuning
      delivery truckFree shipping
    16. SALE
      Audi S4 B7 V8 - Koni Shocks & Stru…
      $883.06
      E
      ECS Tuning
      delivery truckFree shipping
    17. SALE
      Audi S4 B6 V8 - H&R Sport Springs …
      $246.95
      E
      ECS Tuning
      delivery truckFree shipping
    18. Injen 18-19 Audi S4/S5 (B9) 3.0L Tu…
      Straightboost Performance
      delivery truckFree shipping
    19. 5
      ·
      15
      5
      15 ratings
      AWE Tuning Audi B9 S4 Track Editi…
      F
      FI Performance
    20. 4.6
      ·
      36
      4.6
      36 ratings
      Spc Performance For 09-17 Audi A4…
      E
      eBay
      delivery truckFree shipping
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