Thread: Exhaust a Big Deal for FBO
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      10-24-2012, 07:05 AM   #12
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Quote:
Originally Posted by JK135i View Post
there was a dicussion about this on n54tech and I think someone mentioned that the 135 axel back was more restrictive than people think it is and that gains can actually be seen from replacing it.

Those are some nice numbers, I pulled 440/520 on a dynojet and I have replaced all exhaust sections. If you want I can whip up a video and send it to you, I have AR cat-less DPs, berk mids and rogue axel back.
Stock clutch?
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