Straight pipe question...
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Have had a straight pipe for years it wont give you problems at all. Sounds sweet and lets er breathe. Only a problem if your in an area with laws regardin cats and mufflers. Even still not many cops no to much about it and plus a turbo acts like a type of muffler as in it keeps it quieter haha sorta. You will still pass an e test to.
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I had a 4" straight through Dynomax muffler, when I deleted it, there wasn't as much change as I thought there would be. My biggest sound gains were in dumping the resonator (cat was gone when I bought it). If I had to do it again, I'd get this set up from MBRP and be done with it. No cat, no muffler, no problem!
MBRP Performance Exhaust
MBRP Performance Exhaust
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A straight piped exhaust exiting in the stock location barely drones at all, and once up to speed it's about as quiet as stock. It's only loud at idle outside the truck and that is just a whistle, not a loud V8 noise or anything. Once you smash the skinny pedal you'll scare people. It's great. Nothing sounds like a straight piped 6.0
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