Turbo Questions.
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The IDI turbos wont scream like the newer ones. I have a 3" down pipe, 4" exhaust and 5" stacks with a hypermax intake and it's loud enough to let you know that it's there. You cant hear it at idle at all, but cruising along in 3rd gear about 1500rpm it will sing for you. On a cold day with the windows up you can hear it whistling through the hypermax intake pretty good. Sometimes I play with the throttle and my wife who never notices anything about my truck will ask what I'm doing to cause the whistle.
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avatardvr
Ford Powerstroke 03-07 6.0L
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08-08-2019 12:38 AM