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Hey guys i currently have a 2015 STi and want to wake it up a bit(power) what mod should i do first ? (Not a big fan of loud exhaust because cop are rough here lol)
 

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Start with access port, catch can or AOS and a good tune. If you want to see some gains outside of that then delete TGVs, upgrade injectors, fuel pump, 1 step colder plugs and EBCS and tune. You won’t need to mess with intake or exhaust for a bit. Find a reputable tuner get their input, slowly progress see how you like it/responds.
 
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