Suggestions for exhaust

[92chevy2500]

Looking for suggestions for exhaust on my 92 Chevy K2500HD 8600 lbs. GVW extended cab long box with a 454, 4l80e, and 4.10 gears. Currently (the way I got it) it only has rusted out glasspacks and no catalytic convertors. At an idle it always smells like it is running rich, which I've seen in other posts that it could be from the lack of cats. I use it for towing on occasion, which can be anything from a snowmobile trailer up to a 40' gooseneck with a backhoe (approx. 20,000 lbs. combined) and will be using it for snow plowing during winter. I want something that sounds good but won't burn out after the first couple tows and won't be too loud when plowing early in the morning or just running down the highway. Wondering what would be the best route to go, thinking about true duals but not sure. What size pipe, kind of mufflers, should cats get put on (I've looked on the napaonline site and they don't list cats for it, just for under 8500 lbs. GVW)? Would appreciate any thoughts. Thanks

[brad4eva]

flow masters dual

[gmctrucks]

I seen on Ebay that two free flowing Cats sold for $76.00 dollars might do some shopping if your going to put cats on I have a Magnaflow muffler one in two out I like the way it sounds not to loud but my next set up is going to be Borla now Flowmasters are good you just need to see what type you get two or three chamber the less chambers the louder it will be also the length of it makes it sound different.

[03chevy]

40ser. flowmasters sound real good with a 454. but borla that is a good systems too. i haven't heard them on a 454 but would like to.