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Back to the question about the differences between the SS NPT and the ZL1 system.
Apart from the different sound, is there a difference in flow / performance / diameters / muffler and/or CAT designs and materials?
Another piece I forgot to ask about are the headers: SS NPT system headers Vs. ZL1 headers?
What I am getting at is: If I happen to install a power adder I.E. PD or Centri charger, is the SS NPT system overall going to perform / flow like the stock ZL1's?
Talking about the same power levels of ~ 650 crank-HP (as the ZL1 has stock).
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