Quote:
Originally Posted by MikeE92M3
I had my exhaust shop close to me take out the secondary cats and replace it with pipes with a small "crush" at the end so it would fit in the x pipe.
It does NOT drone, and it actually sounds very very good. Has more of a rumble and you can definitely hear its presence under load. I don't feel significant power gains, but it feels more "free."
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Just had the same exact thing done to my car. Sounds really aggressive with the oem mod!