I don't under stand what a cat system is and exahaust? One is like a gran and the other is like 200?? lol Can some one answer my question and what one is better>>

 

well by the information given... a cat back system is a muffler system from the catalatic converters back to the tail pipes. which would me more expensive than just mufflers. what is it your are trying to do... duals, cat back system or just a muffler? Any of the above?

 

I want a all around sounding truck but be functional as well I have a 4.6 short bed crew
I don't no what is the best choice

 

:that sounds like that problem i have... check out the thread i started about magnaflow or flowmaster. there is alot of great information there. i want something thats not too crazy but yet noticeable.