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Spec Iron Exhaust Suggestions


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Hello! This is my first post. Just bought a stock '05 GT and my plan is to get it ready for track days and eventually work toward Spec Iron. I've started reading the SI rules and what's legal and illegal. On the exhaust, I know you have to keep the stock manifold, but what are people doing from the manifold back? I know that's probably a big question but trying to get some ideas. In the meantime I'm doing the Ford front brake kit and addressing the suspension. Thanks for the help!

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Welcome- Suggestion, keep everything stock and spend the money on DE events or racing school. 5-10hp isn't going to help you at this stage. For what it’s worth, in SI I run straight pipes, dumps in front of the diff, no axle backs.

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