Need new exhaust, where to hear mufflers?

[AirSpeed]

I just noticed my glass packs are rusting through, one already has a hole in it and my pipes are rusted as well. I want to replace it all without spending a fortune. I have dual exhaust on it now and the pipes are 2", would Larger diameter pipe make a big difference? I like the way it the glass packs sound but am thinking of going with mufflers but have no clue what to look for. Any suggestions? If so do any of you have video/audio I can listen to to compare different systems? I've been looking at a few exhaust kits like ones LMC sells. I have a MIG and a horizontal bandsaw but am hoping I can find a kit that fits without the need to bend any pipe. This will be going on my short 72 GMC 4X4 with 350/350. Thanks!
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