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Discussion Starter · #1 ·
Just bought a used 2015 WRX and previous owner did some mods and got a pro tune. Car has a grimmspeed stage 2 power package and Perrin chargepipe. Car was tuned for these mods and when I bought the car the charge pipe was removed but I contacted old owner and got the accessport and the Perrin chargepipe. I’ve been monitoring knock and dam on the accessport and idk if my DAM is low or not I need help.
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Discussion Starter · #8 ·
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I think it would be worth your time to reach out to him and see if you can find out more details about the tune. I agree with XJ Man, it's quite possible that the dyno tune doesn't match the mods on the car currently.
Only thing that it is tuned for that isn’t installed is the charge pipe would it make that big of a difference? I’ve considered getting a upgraded TMIC and meth injection kit and just getting it retuned.
 
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