Mark, you might wanna make this a sticky???
Although this is a website for the NSX, it still holds some very good information that applies to all vehicles.
This link below is in reference to exhaust/headers/heads in general:
http://www.nsxprime.com/FAQ/Miscellaneous/exhausttheory.htm
What really surprised me is that they put Thrush Turbo and Flowmaster as the worst ones you can buy... although I already knew that Flowmasters were at the bottom of the list! LOL
Although this is a website for the NSX, it still holds some very good information that applies to all vehicles.
This link below is in reference to exhaust/headers/heads in general:
http://www.nsxprime.com/FAQ/Miscellaneous/exhausttheory.htm
What really surprised me is that they put Thrush Turbo and Flowmaster as the worst ones you can buy... although I already knew that Flowmasters were at the bottom of the list! LOL