this is a PRO-RC product:  
 
Mugen MBX8T Rear Shock Tower , mad out of 5mm carbon fiber.
 
Material - Black CARBON FIBER (Also available in White & Blue). Please remember that its a carbon fiber part and you may want to CA glue the edge. 
 
 
Being a carbon fiber perfomance part there will be no warrant once this product is installed on the vehicle