Thread: Newbie from NC
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Old 03-02-2021, 12:52 PM   #7
turboICE
Scooby Specialist
 
Member#: 33979
Join Date: Mar 2003
Chapter/Region: South East
Location: Charlotte, NC
Vehicle:
2006 STi
WRB

Default

Get a good Air Oil Separator (AOS) and the cylinder 4 cooling mod - should be the first two mods done on a turbo Subaru engine-wise, before anything else and even if staying stock.

If by performance mods you mean power mods as opposed to suspension mods, your results will be extremely limited while maintaining emissions legal exhaust. There are some high flow catted systems that will enable a lot but you probably will balk at the cost. However, from what I understand in NC, there are at least some sites that will not perform a visual inspection if the ecu comes back with no emissions codes. I know of at least one completely catless STi with Cobb cleared emissions checks that passed NC inspection within the last week.
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