When to get a tune
I Installed my Stillen G3s and am waiting for my Invidia exhaust to arrive. Obviously I'm going to need a tune a some to correct the lean/rich ratio right? The only thing is I may be getting LTHs or HFCs or in the near future and done want to spend momey on tuning it twice; so will installing the intakes and exhaust without a tune cause any problems?
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