As Ginola says that looks like a standard exhaust manifold and uppipe (not downpipe like the advert says). Prodrive didn't change it on the PPP cars.... but in typical ebay fashion someone read online that prodrive changed the exhaust and ended up with 2+2 = 5.
What year is your wrx? Sure the later blob wrx's onwards didn't have the cat in the uppipe? Thought it was the bugs and early blobs only?
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