I'm guessing he means that they will ship it just like supersprint exhaust are done. The muffler will have a short pipe with a flared end, then the piping side that connects up to the cat is seperate and is also flared to mate up to the muffler box. That will reduce the sq.ft. required for the box and reduce shipping costs. The muffler itself is kind of light, so you end up paying by the size of the box, not the weight if everything is welded together. | 
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