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B&B for corsa

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Old Nov 26, 2009 | 01:47 PM
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Default B&B for corsa

thinking of ditching the corsa for a B&B set up, but i am noticing a lot of the high end exhaust that say they are 3 inch are only 3 inch to the muffler are 2.5 inch out of the muffler (magnaflow for example)


and i think that kind of restriction will really bottle neck the 414 im running

my reason for this is the corsa is super loud (long tubes and ORY) and i want to see if i can quite it down a little without loosing a lot of power here is the car now

http://videos.streetfire.net/video/b...414_171981.htm

what do you guys think
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Old Dec 2, 2009 | 04:31 PM
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anyone?
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Old Dec 2, 2009 | 05:57 PM
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if you have a 3 inch in, and dual 2.5's out, you are fine. 2.5 + 2.5 = 5" you dont need dual 3" comming out of the back, wouldnt flow any better. Also keep in mind that you need some back pressure to create some low end torque.
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Old Dec 2, 2009 | 05:59 PM
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if there is flow restriction it would be in the design of the muffler or the pipes leading up to in/out of it much more so than the .5" size difference.
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