Quote:
Originally Posted by Laststandard
NPP exhaust cutaway. Really nothing to mod inside the case. I wouldn't attempt to replace the perforated section with a solid pipe, if you do that and happen to hook the NPP system back up bad things will happen.
Secondary cat delete will get a bit of extra sound.

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What is the inner exhaust tip connected to? Is it just for looks?
Edit: i think i see now. Thats is where the exhaust that comes out of the perforated pipe exits the opposite side