Technically all a new tune is supposed to do it turn the O2 sensors off. The new tune I got from Bama (I know, I know) was a little more aggressive. Mine ran fine without the tune but the check engine light comes on. Thinking about getting in line for a dyno tune from HPP.
I love the cat delete smell. Reminds me of when I was a kid and all the mustangs smelled like that. Plus driving under bridges or parking garages...Damn!
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2016 RACE RED GT PREMIUM
previous stangs
2013 BLACK GT PREMIUM
1989 GRAY/SILVER AUTO GT
1988 RED GT
1989 WHITE LX 5.0 HATCH
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