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Theres more to finding the "perfect" exhaust than most people even want to think about. I can get pretty technical with this if somebody really wants me to. I have formulas and in depth explanations of the exhaust pulses, blowdown, Header size, collector size, between unequal length and equal length headers, optimizing valve events, reversion, etc, etc, etc. I can go on. We can figure out the exact size a stock 240 would like but even if we do theres still gonna be the jag offs that say "Oh i got X inch exhaust and i can go sideways or beat a civic on the freeway or i made more power with this size and blah blah blah" I can do that all in my frickin Ford Contour. So i am gonna see if there is somebody who would actually like to find it out let me know and we can get into it. Gonna need some info as far as when the exhaust valve lift reaches .050" and some dyno sheets to give us a good idea of stock max power RPM n shiz.
So if we want to make a nice research project out of this or we can keep arguing between 3 inch cat backs or not where most thought shouldn't even be put if you want to make a true "Tuned" exhaust system.
Oh and G6civcx. What are you trying to show that that graph. The graph doesn't make any sense at all. Maybe that was the point?
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