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R1 Performance Package for 204 - C 63 AMG Black Series
RENNtech sport lowering springs for front axle
Please note: On the SL 550 (R231) the ABC suspension system is optional equipment from the factory
This highly integrated pre-preg carbon fiber spoiler compliments the sophisticated and refined C-Class exterior design language
518 LB-FT @ 5200 RPM
RENNtech ECU Upgrade | R231 | SL 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 bmw-7-series--f01---2008-2015--esr7133710 R1 Performance Package for 204ECU Upgrade 500HP 625LB FT Gains: +52HP +87LB FT 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 components or for areas and countries with extreme altitudes, temperatures or
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