Stillen Rules
My local dealer installed Stillen headers and cat-back exhaust. I paid way too much because the dealer added their mark-up but they told me this was the only way to preserve the warranty. I ended up having problems as the bolt in the steering universal joint was touching the headers in hard right turns. It was a little scary at high speed. They replace the bolt with a flat head and it solved the problem. So much for dealer quality!
The additional power is noticeable, especially at higher rpms. I am very satisfied with my base +sport package 370Z, which cost less than my wife's minivan.
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