SLK 55 AMG

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  1. RENNtech ECU Hand Held Tuner (HHT) for SLK 55 (R171- 380 HP / 395 TQ)

    RENNtech ECU HHT (HandHeldTuner) for the 171 - SLK 55 AMG. Up to 380HP and 395 LB-FT TQ. Gains: +18HP & +17TQ.
  2. RENNtech Carbon Fiber Flat Top Airbox for M113/112 Engines

    RENNtech Carbon Fiber Flat Top Air Box for M113/112 Mercedes Engines
  3. R1 Performance Package | R171 | SLK 55 AMG | 385 HP / 400 TQ | 5.5L NA V8 | M113

    R1 Performance Package for 171 - SLK 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 385HP and 400 TQ. Gains: +30HP & +24TQ

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