R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-cls-class--218---2011-2014--cls63-amg-biturbo-4matic-esr4755406 Z4 35iS E89 (2008-2012 N54B30to)

Z4 35iS  E89 (2008-2012 N54B30to) Stock Performance:

The AMG C63 Eventuri intake is a fully sealed system which was developed through extensive real world testing and airflow simulation analysis

200 Cell Sport Cat

E 53 AMG (W213 / S213 -chassis)

RENNtech Blow-Off Valve Adapter

R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-cls-class--218---2011-2014--cls63-amg-biturbo-4matic-esr4755406 Z4 35iS E89 (2008-2012 N54B30to)R1 Performance Package for 219 CLS 55 AMG Kompressor. Includes ECU Upgrade Crankshaft Pulley and Upgraded Intercooler Pump. Up to 538HP and 566LB FT. Gains: +69HP & +50LB FT Performance package R1 includes our proprietary HHT Hand Held Tuner ECU Upgrade and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: