I was wondering if anyone here has used the dual cat SLP cat-back exhaust system, with thier headers. If so waht kind of performance did you get out of it? Did you use stock Cats?

Does anyone know a good dual cat exhaust set up for the car, Headers, dual cats, and cat-back system? thats if its better than this set up

 

I'm currently running with a full SLP exhaust (headers 1 3/4 primarys, y-pipe, gutted cats, and cat back) it sounds good and as far as performance goes the car ran 14.9 stock and now with the exhaust and runners (SLP) I am rite at 14.2 - 14.3 on street tires. I've also ported the plenum if that helps any.

 

i am running slp 1 3/4 non air coated dual cat headers, no cats just pipe, into the stock f-pipe thing, into the slp catback. i like the sound, the performance increase will be worth it once i get more engine power, in stock engine form i only felt alittle bit more.