Flowmaster super 40/AT confusion

sixstringthing

New Member
Aug 11, 2003
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So i finally settled on American Thunder and i'm looking around for one but I hear of these new Super 40's which are already included in certain AT catbacks. Just trying to make sure im understanding this, there were four kinds:
1. Original 40's
2. Delta Flow
3. Larger Delta flows (included on the newer AT catbacks)
4. Super 40's (aka same as above but painted black)
... is that right? So if I get a newer American Thunder CB or just the Super 40 mufflers, there will be no difference in sound right? (unless the tailpipes make a big difference?) Should I go for one or the other, or just whatever I find cheaper? Last but not least, is there some kind of part number for the Super 40 mufflers or someway of identifying them? (i will probably get them on ebay, or somewhere online used and I wanna make sure if I get the American Thunder, it's one of the newer ones with the Super 40's)