AeroflowDynamics 2015 - 2021 Subaru Wrx/Sti Rear Diffuser V3

WRX Rear Diffuser, STI Rear DiffuserModel:  2015-2021 SUBARU WRX/STI REAR DIFFUSER  V3Fitment: 2015-2021 SUBARU WRX/STI - Type: Subaru WRX body kit, STI Body Kit - Made from Aerospace Lightweight ALUMINUM no ABS PLASTIC!!!! - Made in the USA - Comes fully CNC'd and professionally powder coated. - Comes pre-drilled - Fitment Guaranteed - Hardware included - Professional install highly recommended  - Option 1: V3 Middle Section (Only) - Option 2: V3 Full Rear Diffuser (Middle Section + Rear Side Spats) - Option 3: V3 Rear Side Spats (Only) A rear diffuser is an automotive aerodynamic modification typically found mounted on the vehicle’s underbody located at the rear of the car, underneath the rear bumper. As a vehicle is in motion, air flowing in the underbody is typically at high-speed and has low-pressure. The design and purpose of a diffuser are to help reduce drag and to create downforce by facilitating the airflow underneath the vehicle’s underbody. A diffuser is used to incre