R3 Performance Package for S 63 (W221- 578 HP / 523 LB-FT)

R3 Performance Package for 221 - S 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body, Stainless Steel Headers, Limited Slip Differential and Transmission Upgrade. Up to 568HP and 538LB-FT.
Gains: +61HP & +73LB-FT

RENNtech performance package 3 is the ultimate upgrade for your 63 AMG!

Our package 3 includes everything found in our performance package 2 plus our 100% locking limited slip differential to improve handling and traction in addition to our transmission performance upgrade.

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

Performance Package 3 Includes:

• RENNtech ECU Upgrade
• Full Carbon Fiber Airbox
• 82mm Throttle Body Kit
• Stainless Steel Headers
• 100% Locking Limited Slip Differential
• Transmission Upgrade

S 63 (W221) Stock Performance:

• 518 HP @ 6800 RPM; 465 LB-FT @ 5200 RPM

Modified Performance:

• 578 HP @ 6800 RPM; 523 LB-FT @ 5200 RPM