LeBirdNest
Titleist
The only o2 censors are at the flex pipe and cat.
^ is it that deep in person? that sounds really good for a I4!
I've been sort of on the fence about doing anything to my new car, because I have a feeling I won't like it compared to the sound of the j30. I like the way your car sounds. So you just deleted the second muffler, and put a pipe where the rear muffler was?