when i first diy my exhaust , i just ran the downpipe below the firewall and drove it for a week .................it was sick loud, good thing i live in the sticks
Doing mine, me and my buddies would start it. just to see what the differences are. Huge huge difference. All my friends are big on cummins. It's always great when their gf's tell me my truck sounds great lol :woot:
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