hey guys need some help... i got '00 black s2k just installed InjenCAI and i am about to oreder Invivdia exhaust system i was thinking if i had the money should i order high cat conv? alos what do you guys think about the Invidia Exhaust?
thanxin in advance

 

The stock cat is already a high flow one. Getting an aftermarket one will gain you little.
The Invidia, based on sound files, is very loud. For you, that might be a good thing. For me, it might be just too loud to take.

 

^^ Ditto!

 

I sent my cat to Random Technologies a while back (long story) they flowed it and found that it out flowed their high flow cats, so they developed a new one.

They have a 4" high flow cat that outflows the stocker, but as far as I know it is the only high flow cat that does.