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Power Strokes
6.7 Aftermarket
What Size exhaust 4" or 5" ?
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[QUOTE="powerstrokin15, post: 664386, member: 174"] there probably is. yes. but is there a huge difference? I don't think so. did you notice 100* or more? the price difference and even sound of 4" is preferred by some people. I got a good example-you know shones truck? makes what-1000hp on fuel. he has dual exhausts. which come in 4" only. unless he got them custom made or runs 5" until the axle and reduces. we could probably get away with a 3" if it didn't have a pancaked down pipe, Cat, DPF, urea in some cases, and restrictive muffler from the factory... I sell these kits every day.. Sent looking at my blown up 6.4 [/QUOTE]
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What Size exhaust 4" or 5" ?
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