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SLK - 171 (2004-2010)

SLK - 171 (2004-2010)

RENNtech ECU Upgrade for SLK 350 (R171- 290 HP / 278 TQ)

RENNtech ECU Upgrade for 171 - SLk 350. Up to 290HP and 278TQ. Gains: +22HP & 20TQ

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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.

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RENNtech Carbon Fiber Flat Top Airbox for M113/112 Engines

RENNtech Carbon Fiber Flat Top Air Box for M113/112 Mercedes Engines

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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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