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Everyone has a different opinion, but I would replace the intercooler before I thought about getting a tune since the factory one already can't keep up with the amount of heat being generated.
 

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222 Posts
Dam 500 miles, why did you wait so long to tune?!
 

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52 Posts
Is it recommended to upgrade the fuel system materials to support more ethanol? Can you run an e30 tune on a car that doesn't support e85?
 
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