Quote:
Originally Posted by Xxyion
Dont also rule out the fact that because you believe there is more low end torque with the Stock exhaust that you in turn might drive it just a tad differently. Maybe you let off the clutch a bit faster or rev just that few hundred RPMs higher which gives the illusion that the stock exhaust has better performance.
I know for a fact i did this. I originally had the Nameless 3". I put the stock exhaust back on because i am going back to a 2.5" exhaust in prep for my Turbo Build. I noticed an immediate difference in driving.
After a little while i realized that all the extra torque and power was due to the fact that i was driving the car harder. Because noise wasnt an issue anymore i wasnt worrying that i would get pulled over for noise (i run catless header in CA so thats why i worry). Realistically i maybe saw a 1-2 hp difference and a 2-3 lb torque difference. but because of my subconscious driving habits it seemed like a HUGE difference.
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I think this is a rational line of thinking. I was motivated to look again at the flanges and find that the flange of the muffler section still was still not really flat so I have been leveling it. The areas that have the braces are pulled down. Perhaps they try leveling the flange before they weld it to the muffler and it distorted. Perhaps next Friday I will have the time to do a before and after dyno. I really am curious what is really going on in there.Of course as we are talking about pretty small differences, I still won't know much for sure.