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It's an 02 WRX. I use open source maps and a Tactrix adapter to program the ECU. No wild mods, just dumped the up-pipe cat, and the downpipe cat with a divorced wastegate pipe. Was my daily driver for years, now I do not have to worry about smog checks, I uncorked it a bit. Progarmeed for about 18 psi boost, a major hit over the stock 12-13 psi. Much more and I would be into bigger injectors and the endless circus. My last car hopefully so I cannot get crazy.

Reality is, big power in Hawaii is not of much use anyway, other than embarrassing Harley clowns..........

There was a period in the early-mid 2000’s when the usually very competent Subaru engineers inadvertantly blew a lot of turbos, good thing you dumped the up-pipe cat, as they age you can suck chunks of it into the turbo, boom.

Mine is largely stock barring the mods described, daily driver, just wanted to smooth it out and get the most out of the engine and turbo without making a beast of it. Exterior appearance is dead stock, factory 18” rims, low profile Contis. No suspension mods, I actually enjoy the cushiness of the soft bushings while still being well planted to the road, it’s an almost French approach to a car suspension, lol. It can get a little roly-poly at high speed (meaning very extralegal) but I have no need and little occasion so that’s OK.

:-) my business is built around selling all that equipment for reprogramming & diagnostics. Including the Tactrix and the AccessPort items mentioned in the thread. Very neat stuff