Originally Posted by Sellars21
I actually went from complete stock everything to rallisport + Magnaflow.
My personal thoughts were that if I put the exhaust on first and then headers made no significant difference I would hate myself for spending the extra money. The rallisport thread had a few good videos about the difference between cat backs before and after the headers.
Before and after.
Video Link: http://youtu.be/y24x_zBJeRc
Ad just a nice drive by.
Video Link: http://youtu.be/ApF31jsh36o
Wow I'm surprised. Looks and sounds great.