Quote:
Originally Posted by bigsnookmaster
Unless your\e running a real big cubic inch motor, I'd reduce it down to 3". I like running mine through the mufflers at the track. I think going fast and being quiet is cool. Good luck
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I run 1 7/8 in tubes into a 3 in collector that stops down to 2.5 in for my ZZ572. Stay with the 3 in to save $$ cause you probably will not notice the loss in low end torque.