'03 v10 y-pipe, good or bad???
I've got an '03 excursion with a V10 in it, I am quite happy with performance of the engine but don't know any different. Does the 03 breath better with different Y-pipe install, or is it the better of the factory installed pipes.If I should change it out, any recommendations on which of the aftermarket are better for performance and mileage.Any advice is greatly appreciated. Nunomad
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All you have to do is look at it - if each primary pipe is necked-down for about 2 inches just before they join up, that pipe SUCKS.
And, chances are, you DO have the necked down y-pipe. When I replaced mine with an eBay y-pipe given to me by another member, it greatly improved low-RPM throttle response. It didn't do anything else, but did make the truck more enjoyable to drive around-town. |
If you have a 2 valve, you have the restrictive pipe. I replaced mine on the 03 I had, and it was much better on fuel.
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Do you need to remove the exhaust manifold to upgrade the y-pipe? I don't want to mess with those studs if I don't have to.
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I replaced the necked down Y pipe with the stainless Y from SPD, two years ago and couldn't be happier with the performance, less a tune from 5 Star. There wasn't much noticeable gain in MPG but the performance gain was well worth it. No need to remove the exhaust manifold to install but loosening the stock Y from the left manifold after cutting helps in installation BSEG.
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Do you need to remove the exhaust manifold to upgrade the y-pipe? Only downside to replacing the stock y-pipe with an SPD (or similar) is you will get flutter if you have the stock exhaust manifolds. |
Originally Posted by dkf
(Post 10067411)
No.
Only downside to replacing the stock y-pipe with an SPD (or similar) is you will get flutter if you have the stock exhaust manifolds. |
Yes old thread, but I'm using the "search" feature, looking at buying a excursion, and first thing is the y pipe, what do u guys mean by flutter??
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I put hedman y pipe and headers. See thread for info. Would recommend changing out stock and if you are blowing studs, should pull trigger and do them too if you are keeping truck.
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Originally Posted by hav24wheel
(Post 12427684)
Yes old thread, but I'm using the "search" feature, looking at buying a excursion, and first thing is the y pipe, what do u guys mean by flutter??
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Originally Posted by WestxSRT10
(Post 12438450)
The noise comes from the exhaust pipe mostly while changing gears/shifting. Sounds like a loose flap of metal vibrating inside the pipe.
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How loud is the Flutter. id hate to spend a hunsky and instalation only to be annoyed by exhaust noise. id rather not hear anything as the v10 doesnt sound too good. with my Flowmaster 70bb it sounds awesome at idle and when my wife drives off in it its not loud outside, but its loud inside the x while driving
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Originally Posted by TX03EX
(Post 12542469)
How loud is the Flutter. id hate to spend a hunsky and instalation only to be annoyed by exhaust noise. id rather not hear anything as the v10 doesnt sound too good. with my Flowmaster 70bb it sounds awesome at idle and when my wife drives off in it its not loud outside, but its loud inside the x while driving
Denny |
Well hopefully it's not horrible. I got a eBay y pipe coming n a 4 inch deisel exhaust coming.
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Originally Posted by dkf
(Post 10067411)
No.
Only downside to replacing the stock y-pipe with an SPD (or similar) is you will get flutter if you have the stock exhaust manifolds. |
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