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safe to keep downpipe loose?

2592 Views 10 Replies 9 Participants Last post by  firesoutmatt
hey guys, im thinking about getting a smoke stack kit from black cloud diesel..i was going to delete the cat and muffler.today i untighend the downpipe bolts to see if i would like the sound. At idle it sounds stock, but idk if that is because some of the noise is still going through the cat and muffler, when i drive it, the truck sounds awesome around 2500 RMP and up. Is it safe to leave the downpipe unbolted from the rest of the exhaust or should i tie it back up to the exhaust untill i get my kit?

Thanks alot, Jay
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ok,, i heard somebody around here talking about turbos and backpressure how you dont need it..

so do you think its a bad idea to delete the cat when i install my kit?
/ubbthreads/images/graemlins/smile.gif haha
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