Quote:
Originally Posted by HaVoj
I have a '13 scion with Injen intake, Greddy catback exhaust, motive front pipe. With all that do I need a tune? I love the way the car felt and sounded after start up but once the maf kicked in after a day or two it went back to somewhat normal. Any advice?
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Yes.
You'll gain more power from a tune than you have from having all those parts without a tune.