[glenf]

Originally Posted by BruceH

You can take a look at Top Speed, the owner, Che, is a great guy and a forum member. I have one of his exhausts and the cat delete pipes for my 2001 S.
Porsche 987 Boxster Boxster s 05 08 Top Speed Pro 1 Performance Exhaust System | eBay

You could also take a look at Fister or Fab Speed. Do a search of the forum and you will find lots of opinions

I have a 2001 2.7 and just installed the Fabspeed sport headers/CAT system, much more smooth, nice tone, and I feel a bump in HP

I will be installing their Maxflo exhaust next