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AAM Competition S-Line Short Tail Axle-Back Exhaust

Originally Posted by christian370z I don't see how it can negatively impact power over the stock muffler. The level of restriction in the exhaust goes like this in my opinion

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AAM Competition S-Line Short Tail Axle-Back Exhaust AAM Competition S-Line Short Tail Axle-Back Exhaust
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Old 12-28-2010, 10:49 AM   #11 (permalink)
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Originally Posted by christian370z View Post
I don't see how it can negatively impact power over the stock muffler. The level of restriction in the exhaust goes like this in my opinion (1 being the most):

1) Stock catalytic converters
2) Stock Y pipe
3) Stock muffler

I am sure these will provide decent gains since they are eliminating a pretty convoluted stock muffler design.
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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