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08-31-2017, 07:12 AM
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#11 |
  
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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^this is why I just deleted my first car (only for cold start emissions) and went with a larger diameter tubing and swapped the muffler for a deeper toned less restrictive one.
The resonator is not a restriction on the 1nz, the exhaust diameter, muffler and less so the dual cats are
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