Exhaust Hiss - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 02-14-2007, 03:21 PM Thread Starter
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Red face Exhaust Hiss

I just finished installing a 4" turbo back delete cat. I am hearing a hiss at the 5" tip. I don't hear it anywhere else. Is this right? Also see a little white smoke that I didn't have before. Is this because of no cat? Some help would be great.
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post #2 of 9 Old 02-14-2007, 03:37 PM
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The his is the VGT opening and closing, Normal, the smoke and im going out on a limb here but i think its due to not having a cat.

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post #3 of 9 Old 02-14-2007, 03:39 PM
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i asked the same exact thing when i got done doin mine, its normal

sounds like a jet huh?

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post #4 of 9 Old 02-14-2007, 03:43 PM
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Everything you explain is a normal thing. the hiss, the white smoke, yep... new exhaust! Gotta love it... now go drive that plane, er I mean truck!

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post #5 of 9 Old 02-14-2007, 05:23 PM
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Mine does it even though I'm straight-piped. Think of it like this.....if you keep on hearing that rumble your turbo ain't actuating like it should. It's also a sign that your oil pressure has come up when the rumble quits. The rumble comes back when you :burnout ........promise

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post #6 of 9 Old 02-14-2007, 06:50 PM Thread Starter
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Thanks alot guys, I had myself worried. I reversed the muffler, it sounds great..
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post #7 of 9 Old 02-14-2007, 06:53 PM
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what do you mean you reversed the muffler?

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post #8 of 9 Old 02-15-2007, 05:00 AM
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does that mean the little cut outs inside the muffler are pointing towards the back of the truck vs catching the exhaust from the front?
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post #9 of 9 Old 02-15-2007, 06:39 PM Thread Starter
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You point the cones to the back so the exhaust gas isn't caught in the muffler. Almost like a straight pipe, but I didn't want to mellow of a sound.
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