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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
665 awtq @ 3
engineered and manufactured in house specifically for the SLS
R1 Performance Package for 219 - CLS 500
RENNtech Stainless Steel Sport Mufflers without Electronic Valves for the W205 - C63 AMG Sedan BiTurbo
CLASS R (W 251) 350 V6 Blue Efficiency (HP: 306 | Year: 12 > )
RENNtech ECU Upgrade | R231 | SL 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 mercedes-benz-amg-gt--190---2015-2017--gt--2016-2017--esr9621144 665 awtq @ 3ECU Upgrade 500HP 625LB FT Gains: +26HP +59LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline
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