Originally Posted by Phimosis

Agreed! Eyes watering rich.

Test pipes are not really an option for me. I live in the city with the worst air pollution in the US. I'm a professional and the city I live in is not that large, so I'm relatively high profile. All it takes is one angry person driving behind me with burning eyes from lack of cats to make a call to CHP and my supercharger fun is all over. The 10 hp loss is worth the 30x reduction in emissions.