It's just a muffler shop job. Behind the cat, the 3" splits into two 2.5" pipes all the way back to the tips w/o mufflers. It sounds different! Not a V8 sound, but better than the stock quiet exhaust. I like loud though.
Are you noticing any power increase or increased MPG with it? I heard the V-10 sounds like a giant V-6! If that's the case, cool! V-6 stockers sound awesome, of course what should I care. The noise will be "behind" me and the only people who have to listen to it are slower the trucks!
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