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SL - 231 (2012-2015)

RENNtech ECU Upgrade | SL 400 | R230 | 392HP/432TQ | 3.0L BiTurbo V6 | M276

RENNtech ECU Upgrade for 231 - SL 400 BiTurbo 4-MATIC. Up to 392HP and 432TQ. Gains: +63HP & +78TQ

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RENNtech ECU Upgrade | SL 400 | R230 | 392HP/432TQ | 3.0L BiTurbo V6 | M276