W211 E55 & E63 AMG Euroteck Designed Carbon Fiber Rear 4 fin Diffuser M113k We must have estimated Rear

We must have estimated Rear wheel horsepower to build the converter for your power range

Flash tune within the comfort of your own garage via the OBDII diagnostic port of your vehicle using My Genius handheld programmer

UPD 55K Belt Wrap Kit Designed to stop the slipping of the belt under boost pressure and braces the double idler kit for added strength

Holds gear in "M" mode

High quality Nachi bearings are used and only double bearings seals are used to protect bearings from heat and dirt

W211 E55 & E63 AMG Euroteck Designed Carbon Fiber Rear 4 fin Diffuser M113k We must have estimated RearCompatibility: W211 2003 2009 E55, E63 AMG Excellent fitment & quality Professional installation required & available Aggressive look designed by Euroteck Will not fade from sun like other carbon fiber parts on the market