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.

Construction:
0.063 Thick 5052 Aluminum
Stainless hardware throughout

Features:
Powder Coated Matte Black
Organic Shape
Flat head riveted strakes (No rivet heads visible, flat bottom)
Simple Bolt on installation
Reduces drag
Significantly reduces lift
Optional 2pc differential/suspension covers reduce drag even further and aid in feeding the diffuser clean air.

Confirmed Exhaust

Fitment:

Confirmed Exhausts that Require Trimming:
Invidia N1 Single
Tomei Type 80
STI Upgraded Exhaust - Dealer Option Model