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Advance Headers Subaru WRX STI 2
The adjustable proportioning valve regulates rear brake pressure
giving a displacement of 1991cc
Tuned 4 into 1 design
Aeroflow Billet Bulkhead Inserts 6An AF88-2007BLK universal blow off valve 50mm Advance Headers Subaru WRX STIBlack Finish Aeroflow now offer a budget conscious solution for running the 2 port bulkhead. The 2 port plate can be mounted vertically or horizontally and is available in polished or black anodised finish and sold without adapter fitting inserts so you can choose to run any combination of either 6AN, 8AN or 10AN male nipples.
