diy exhaust

I am about to order the flowmaster 40 muffler(only) and do it via DIY, I thought I remember reading something a few weeks back that this 40 muffler can basically get swapped right in place of the old stock muffler and run back out to the factory dual exhaust? If it cant what else do I need to...

DIY exhaust and stack?? Any1 out there build there own system and or stacks? i have tools... stick welder and wirefeed... so i was thinking of going down to my tractor dealership and getting the exhaust parts there and doing it my self... I want the stack to be black anyways so i thought i...