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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
The tailpipes are the most visible part of the exhaust system
570 awtq @ 3
powerful sound as well as an estimated 40-horsepower gain at the crank
and long-term testing the RPM ECU upgrade offers the best in quality
RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT) mercedes-benz-sl-class--230---2003-2006--sl-55-amg-kompressor-esr3404474 The tailpipes are the mostRENNtech Hand Held Tuner ECU Upgrade for 166 ML 350 BlueTec. up to 253HP and 485LB FT. Gains: +20HP & +30LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.
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