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ML 550 BiTurbo

RENNtech ECU+ Upgrade | W166 | ML 550 | 540HP / 705TQ | 4.7L V8 BiTurbo | M278

ECU+ Upgrade | 540HP / 705LB-FT | Gains: +92HP / +167LB-FT

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RENNtech ECU Upgrade | W166 | ML 550 | 480HP / 605TQ | 4.7L V8 BiTurbo | M278

ECU Upgrade | 480HP / 605LB-FT | Gains: +32HP / +67LB-FT

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RENNtech Stainless Steel Muffler for 166 - ML 550 BiTurbo

RENNtech Stainless Steeel Sport Muffler for 166 - ML 500 BiTurbo Gaines: +15HP & 20TQ

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