Think you might want to replace manifold up pipe, not sure as these may have a cat in them as well, hopefully someone else can confirm/deny.
I’d do turbo as well vf34 is best but harder/mire expensive to come by or a vf35, i had a vf43 but these can be a bit laggy.
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2002 Bugeye WRX Wagon - deceased
1995 555 STi v2 track build
1999 RB5
2003 Blobeye WRX SL Wagon
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