Originally Posted by redline9001
I would not go full cat-less with the OEM exhaust mod...
Jason has no cats and stock exhaust and his car is LOUD!
Unless stupid loud is your goal, i would do a challenge sport and then make decisions from there.
I actually decided to go with a Gintani Sport muffler + Gintani catless x-pipe w/4 resonators. Getting it next week.