R1 Performance Package for SL 63 (R230- 545 HP / 495 LB-FT) ferrari-f360--1999-2004--esr4298178 We have found the M278

We have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

R1 Performance Package for 230 - SL 65 AMG

ECU+ Upgrade | 540HP / 705LB-FT | +105HP / +262LB-FT

911 - 997 CABRIOLET 3

This fierce combination will unleash the true potential of your 63 AMG and ensure you put all your new found power to the ground

R1 Performance Package for SL 63 (R230- 545 HP / 495 LB-FT) ferrari-f360--1999-2004--esr4298178 We have found the M278R1 Performance Package for 230 SL 63 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 529HP and 495LB FT. Gains: +27HP & +30LB FT Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +27 HP and +30 TQ over stock. SL 63 (R230) Stock Performance: 518 HP @ 6800 RPM; 465 LB FT @ 5200 RPM Modified Performance: 545 HP @ 6800 RPM; 495 LB FT @ 5200 RPM Gains: +27 HP +30 LB FT