Methodical would be like me.... started with the Cobb AccessPort and a stage 1 map, then added Turbo-back and went to the stage 2 map... added a CAI intake, STi Intercooler, up-pipe, and crank pulley... then got an awesome deal from Tupass on an 18G turbo, then bought some STi Pink injectors and a fuel pump, and bumped up to another OTS map from Cobb Tuning, which is about where I am at right now... took time, but I havent had to replace anything other than the turbo (which blew the seals), and I put a bigger intercooler on... what I did was all methodical.
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2005 Subaru Impreza WRX
Slowboy Racing, Perrin Performance, Cobb Tuning, Invidia, Subaru Tenica International, and eBay

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If you need a car stereo install, email me at
imsowrxy@gmail.com. I come to you for the install.