12-28-2010, 04:59 PM
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#2 (permalink)
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A True Z Fanatic
Join Date: Jul 2010
Location: Newport Beach
Posts: 3,900
Drives: 2010 370Z/Saab 900se
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Quote:
Originally Posted by Footloose301
Seems to be that the straight thru design of AAM axle backs would be the same as just removing the stock muffler thus decreasing torque...? Perhaps I'm wrong and I am just pulling this out of my *** but idk. I realize te stock muffler is restrictive but axle-backs (IMHO) seem like they would take away too much back pressure....... It would be nice if a few people could describe how the butt dyno feels or an actual dyno.
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You are right on that theory, I do believe that sticking to 2.5" exhausts on either bank is the best balance between flow and retaining some torque on these cars (at least N/A). If the pipe diameter was larger, for instance a 3" diameter, you would definitely feel a loss in torque.
But, the butt dyno knows all and that is ultimately what matters!
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