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Decrease lift and drag dramatically on your WRX/STI with a simple bolt on diffuser. By using CFD to aid in the design stage, we were able to extract more performance out of our initial design as well as prove the unit will function in the real world.
Trimming Needed to Fit the Following Exhausts: Invidia N1 Single Exit, Tomei Type 80, Tomei Expreme Ti Catback, STI Upgraded Exhaust (Dealer Option Model).