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Recently my stock exhaust fell off, looking to replace it. Any recommendations on replacements for the 02 4.7l v8? found a couple on line but figured i'd ask before i bought so i know it'll fit well.
 

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I was looking for a exhaust with a muffler that was a bit quieter than the typical aftermarket mufflers. I reached out to Kolak (Nick) and got his 3" exhaust for my 4.7. It consists of a Magnaflow high flow converter, Flowmaster 70 series muffler, and Kolak custom mandrel-bent tailpipe. You (or your local exhaust shop) will need to open up your stock down pipe collector to 3 inches and fill in the gaps between the collector, cat, and muffler with 3" pipe. Have it all welded up and you've got a nice, free-flowing 3" exhaust that will let your 4.7 breathe easier. You can search YouTube for videos comparing Kolak's system with the Flowmaster 70 and 40 series mufflers.
 
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