Jcsportline Carbon Fiber Rear Bumper Lip Diffuser Dual Outlet fits Mercedes Benz W204 Sport & C63 AMG-Bumper 2008-2011(R Style Qual Muffler Twin Outlet) Fitment: for Mercedes Benz W204 sport bumper & C63 AMG-Bumper 2008 2009 2010 2011. Package including: 1 PC rear diffuser, screws. Made of high quality and light weight carbon fiber material, Improve the appearance of the vehicle and give it a nice sporty look. The rear bumper lip can make the vehicle look like a more performance car, it adds more down force and helps aerodynamic,dramatically improve styling & appearance. Shipping Method:Air courier, can be arrived in the United States during 5-8 business days normally. For Mercedes-Benz C-Class 2008 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 457HP 336KW (Petrol) For Mercedes-Benz C-Class 2008 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 487HP 358KW (Petrol) For Mercedes-Benz C-Class 2009 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 457HP 336KW (Petrol) For Mercedes-Benz C-Class 2009 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 487HP 358KW (Petrol) For Mercedes-Benz C-Class 2010 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 457HP 336KW (Petrol) For Mercedes-Benz C-Class 2010 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 487HP 358KW (Petrol) For Mercedes-Benz C-Class 2011 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 457HP 336KW (Petrol) For Mercedes-Benz C-Class 2011 W204 [2007-2014] Sedan 4-Door C 63 AMG 6208ccm 487HP 358KW (Petrol) Please check the item and accessories in the package. Preparatory work(electric hand drill,3MM drill,screwdriver,screws.) Rise the car with lift,dismantle the screws on the bottom of the original diffuser and remove the diffuser. Aiming at the position on the bumper,press the clips and ensure it assembly in place(if the clip is loose,can use a screw to fix it.) Install the screws on the bottom of the diffuser and the installation is complete.