![Rear Diffuser (For Varis Bumper) For 2008-14 Subaru Wrx [Grb] Vasu-178 1](https://drivoraparts.shop/wp-content/uploads/2026/05/Varis-Ultimate-16-Version-Aero-Kit-for-GRB-Subaru-WRX-STI_05-1-hwPC2m.tmp_.webp)
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Description
Rear Diffuser (For use with Varis Bumper) for 2008-14 Subaru WRX [GRB] VASU-178
Designed to be used with the Varis Rear Bumper (VASU-160), this rear diffuser completes the VARIS Ultimate aero kit for the GRB hatch. Available in either All-Carbon Fiber or Half-Carbon Fiber (half-FRP / half-carbon fiber).
Only compatible with GRB Hatchback (GVB Sedan uses part number VASU-175 / VASU-176).
Varis Part Number: VASU-178 + VASU-179
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