As the title states, which is recommended with your system? Or is factory as good as it gets? I have the exhaust for my 99 STS, just waiting to figure out which cat before I install. TIA

Rob,
For your STS, I would suggest keeping the stock cats. Random Tech makes decent cats (I would feel comfortable putting them on my sports car) but changing the cats can dramatically change the sound characteristics of the system. The exhaust note will typically get very raspy and high pitched. May not be the tone you desire for a high end sports sedan.
Thanks for the business and feel free to call/email us if you have any other questsions.
Regards,
GP


As the title states, which is recommended with your system? Or is factory as good as it gets? I have the exhaust for my 99 STS, just waiting to figure out which cat before I install. TIA

Rob,
For your STS, I would suggest keeping the stock cats. Random Tech makes decent cats (I would feel comfortable putting them on my sports car) but changing the cats can dramatically change the sound characteristics of the system. The exhaust note will typically get very raspy and high pitched. May not be the tone you desire for a high end sports sedan.
Thanks for the business and feel free to call/email us if you have any other questsions.
Regards,
GP

GP, THANKS, that is the info I was looking for. I been trying to figure out what to do, you just made my decision easy. The sound clip on the Corsa website is perfect, that is what I want my car to sound like.
Thanks again :thumbsup:

Installed the exhaust tonight. It is a quality product, well worth the money, I was very pleased. Kept the stock cat, followed the directions given, sounds and looks amazing... :worship:

Keep up the good work.. :thumbsup:

I just put magnaflows on my 96 STS - love 'em, way more fun to drive.