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Exhaust cutout question

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Old 12-19-2009, 11:28 PM
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Default Exhaust cutout question

Ok is it safe to run with a cutoff open all the time? Only reason I ask is cuz someone told me I can burn my valves lol I dont know if this is just "guy in part store" throwing in his 2 cents....
Old 12-21-2009, 04:43 AM
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Originally Posted by fx4_soldier
Ok is it safe to run with a cutoff open all the time? Only reason I ask is cuz someone told me I can burn my valves lol I dont know if this is just "guy in part store" throwing in his 2 cents....
If the cutouts are far enough back in the exhaust, then you would not get cold air sucked back through the exhaust to "burn" a valve.

It would however be loud; anoying and an illegal "cop attention" setup if you were driving in my 'hood.

You also gain nothing in the performance catagory. But if it's your definition of cool, then by all means.....
Old 12-21-2009, 06:50 AM
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It's really not that loud IMO. I've had one for quite awhile now and my truck is quiet compared to some that I've heard. It does give it a real nice and gargled noise though.

If I could do it all over again I'd keep the stock exhaust piping with a cutout and maybe a large Magnaflow dumped before the axle. That would be cheap, give great performance and tone if you wanted it.
Old 12-21-2009, 09:02 AM
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Well I know I wont gain performance but I heard another F-150 with one on and damn it sounded bada**. I just didnt want to ruin my engine from running one,as for illegal, yes I know but its ok I take that risk lol
Old 12-21-2009, 08:30 PM
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They sound great...DO IT
Old 12-21-2009, 09:36 PM
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ive had one on my v6 for 4 yrs and nothing has gone wrong because of it, it makes it sound like a v8 and i have one on my 5.4 and it does sound bad ***. ive been next to cops at the light and they dont even notice. imo its one of the best mods ive done so far!



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