Quote:
Originally posted by safe
Yes, I know. I was just thinking it was possible to tinker with the existing system.
For example removing the pre-muffler (on pre cat cars), such as my euro -77 or getting more "free flowing" muffler.
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To be honest doing stuff like that is just playing around the fringes. The big issue with the environmentally friendly exhaust is that the primaries are too short to provide any exhaust tuning effect. Swapping on a set of early style heat exchangers (or SSI's) will resolve that issue.