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Discussion Starter · #1 ·
I am new to Subarus and especially STI‘s I have a 2019 STI and I’m wondering if anyone could tell me how well or if not at all the MAperformance 93 tune improve their STI? Thanks!
I just purchased a cobb access port and I ordered from MAp so i get the free tune from them. so I’m just wondering what I can expect.. thanks!!
 
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