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definitely weld if you plan on offroading . you'll have a drone around 70, but if your guy can get it as far back as possible it will become less and less. I haven't seen an aftermarket exhaust yet mentioned on here that's louder, but doesn't have some drone. It's really in how it gets installed I think. I'll bring one with me and if you like it you can buy it. I will say though , its not for everyone...