I have a 2001 Mustang GT and currently from what I can hear possibly may have an exhaust leak maybe coming from the exhaust manifold gaskets area. I want to get it fix however at the moment I am wondering if it is the best opportunity to upgrade my exhaust manifold or the whole system itself. I will not be doing this work myself but buying the parts. My question for that is what should I upgrade to, to have that mean chop sound and loud?

I at some point in the future would like to build an...

01 Mustang GT exhaust system upgrade questions