Engine
Software
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,195.00
Stage 1
Our 82 mm throttle body and carbon fiber airbox upgrade is the perfect combination to maximize your 55's performance.
This combination allows for a great...
$4,640.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offe...
$2,680.00