2005 Mustang GT
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Junior Member
Joined: Mar 2006
Posts: 23
From: Bethesda, Maryland
2005 Mustang GT
I want to put on Flowmaster American thunder system, do I need to reflash the computer. Also if I get a cold air intake do I need to reflash it and why? What happens if I don't. And is NOS a good idea or bad.
jjtgiants
Joined: Jan 2005
Posts: 4,177
From: Dublin, CA
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Apr 4, 2007 07:38 PM
