R1 Performance Package for SL 65 up to MY 2006 (R230- 670 HP / 840 LB-FT) rolls-royce-dawn-esr2977861 we’ve added our well-known cast

we’ve added our well-known cast titanium dual-mode exhaust valves to create a virtual symphony from the large displacement V10

and modifying boost mapping for turbo-chargers the Mercedes-AMG 53 M256 3

Lamborghini Urus

Rated by RENNtech (peak @wheel):              325 whp @ 5

5" Weight:   Construction: 1-piece Forged Tire Size: 305/25-21

R1 Performance Package for SL 65 up to MY 2006 (R230- 670 HP / 840 LB-FT) rolls-royce-dawn-esr2977861 we’ve added our well-known castR1 Performance Package for 230 SL 65 AMG. Includes ECU Upgrade and High Efficiency Intercooler Pump. Up to 670HP and 840LB FT. Gains: +66HP & +102LB FT The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: RENNtech ECU Upgrade RENNtech High Flow Intercooler Pump SL 65 (R230) Stock