The Rear Diffuser Street Pro for the Subaru WRX STI MK1 is a tuning partIn the tuning process it was made of ABS material

- they improve the image of your car

This improves grip and road holding

They will make the car's appearance much more racing -like

Set Splitters Mercedes-Benz E63 AMG since W212 Facelift

BMW F90 M5 VRS Aero Decklid Spoiler Audi A4 The Rear Diffuser Street ProVorsteiner Wheels carbon fiber parts are manufactured using a state of the art aerospace autoclave system. This provides unmatched stiffness, strength and finish to our aerodynamic components. We differentiate ourselves by using a resin preimpregnated, vacuum formed carbon fiber material that results in a 20 30% stiffer and stronger product than a comparable wet lay up product. This technology drastically reduces scrap rates and significantly improves