Yeah they're nice in case you ever want to remove the exhaust or change it or anything. The crush clamps are pretty much a one time thing. The exhaust is on for good after you tighten up the crush clamps good and tight Takes a lot of effort to get it back off anyway lol
no, the AccuSeal clamps are much thicker, and will actually clamp something, where the band clamps are very thin and conform to different surfaces, IE flex pipe over regular pipe for stack kits, ect.
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