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Old 04-29-2010, 02:03 AM   #5
Total_Perf_Eng's Avatar
Drives: Corvette
Join Date: Nov 2009
Location: Las Vegas
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We have tested the differences between 2 1/2 and 3" multiple times. When you have comparably flowing systems, you will see little to no difference in power between the 2. If you have a corked up 2 1/2" exhaust, the the 3" will show a very large improvement.

I prefer 2 1/2" over 3". Its easier to manuever around the body, and rear cradle. But ONLY if its a very free flowing system.
Originally Posted by SonnyakaPig View Post
Great numbers. I really would love to see the vid, but the link didn't work for me. Probably was my computer having the issues though.

Quick question, with that kind of power that this car is putting down, how much of a difference would 2 1/2" exhaust compared to 3" exhaust make for hp and tq?

Edit: I think Photobucket was doing some site maintenance when I clicked on the link. Looking forward to hearing her scream soon.
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