R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 audi-rs7--4g---2013-2017--4-0l-v8-tfsi-esr8517887 Lowering Range

Lowering Range

For in-house install only as this requires modifications to the Akrapovic exhaust system

which are controlled by the car’s electronics if no optional part is used

CENTER CAPSFor the Performance Series

RENNtech Headers are the perfect compliment to both our Sound and Performance Exhaust or the Akrapovic Titanium Exhaust offering additional gains and increadible sound

R1 Performance Package | C219 | CLS 55K | 538 HP / 566 LB-FT | 5.5L Supercharged V8 | M113 audi-rs7--4g---2013-2017--4-0l-v8-tfsi-esr8517887 Lowering RangeR1 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: