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CLK 550

RENNtech ECU Hand Held Tuner (HHT) for CLK 550 (C209- 402 HP / 405 TQ)

RENNtech ECU HHT (HandHeldTuner) for the 209 - CLK 550. up to 402HP, 405TQ. Gains: +20HP & 14TQ

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R1 Performance Package for CLK 550 (C209- 413 HP / 422 TQ)

R1 Performance Package for 209 - CLK 550. Includes ECU Upgrade and Stainless Steel Header. Up to 413HP and 422 TQ.

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