R2 Performance Package for CL 63 (C219- 571 HP / 533 LB-FT) porsche-cayman--981---2014-2016--cayman-esr5474046 RENNtech ECU Upgrade for 166

RENNtech ECU Upgrade for 166 - GL 450 BiTurbo 4-MATIC

Note:The RENNtech sport mufflers on the E 63 (W212 Pre FaceLift) utilize the OEM tips and need to be modified to fit our sport mufflers and will require welding of OEM tips

The Carbon Fiber Air Box kit includes a Set of 2 BMC high performance air filter

3 Series (E90) 335 Xdrive 3

2 Size: 21" x 10

R2 Performance Package for CL 63 (C219- 571 HP / 533 LB-FT) porsche-cayman--981---2014-2016--cayman-esr5474046 RENNtech ECU Upgrade for 166R2 Performance Package for 216 CL 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel Headers. Up to 566HP and 518 LB FT. Gains: +59HP & +43 LB FT RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +53 HP and +68 LB FT over stock. Performance Package 2 Includes: RENNtech ECU