Fellow members, I have a question, what is the purpose of the second set of catalytic converters? I'm talking about the ones inside the muffler... and I would appreciate if someone has a picture or drawing of the cayman/boxster muffler cutted in half horizontally. This is because I'm thinking what could happen If the muffler is cutted in half, then have the second set of catalytic converters removed and fit straight pipes instead. I think the exhaust may sound very good, plus less back pressure. What do you all think about it? Thanks in advance!

Alan

 

the point of the seconds cats is to further reduce emissions,
you can remove them or gut them way easier to gut them , people have done it its sounds ok a lil louder then stock

 

99firehawk, thanks for your response. So you say it sound ok, a little louder, have you hear it? Do you by any chance have a link to any sound clip? thanks!

 

no sound clips, have seen people do it, for all practacal purposes you can take the front cats off too if you dont get emission tested. Ive heard it it sounds good, although it gets alil raspy with after market mufflers......tubi in particular

 

99firehawk, doesnt removing the front cats gets you a CEL?

 

yes but you can get o2 simulators to make the car think it still has cats
my car is catless

 

99firehawk, I see you live in miami... do you recommend me any shop around here that can do the work on my mufflers? thanks!

 

nope but ill find out for ya

 

i like the sound of tubi's on 997's. i installed a set and it definently was the sound to match the car. dont know about the tubis on 987's. any clips?

 

Thanks!

 

ryanawesome, I've heard once a 987s with tubi at a Porsche dealer, and let me tell you that the sound was awesome. There are a couple of videos on the web but they make no justice. Here is a link to 2 of them... Tubi Videos just scroll down to Porsche, you can also enjoy other makes with tubi.

Alan

 

very nice, thank you alan.

 

i'll post a sound clip later this week; ordered a set of tubi styles for my 987S yesterday, hopefully they'll show up in a day or two at the shop.

 

What does the tubi cost?

 

way to much imo