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Okay, this has to have happened to someone else but I'm having a hard time finding information and was hoping someone, or some people could help me out.
I have a 1999 Super Duty crew cab with a v10. Recently, the ford head pipe (coming off the manifold) rusted out and was leaking, making a ton of noise. I had a new setup made for it and installed it. The truck now sounds like a honda on steroids. The previous owner had installed glasspacks on the truck, which were quiet and fine with the ford headpipe, but on replacement it sounds bad....
Friends are telling me to install flowmaster and that it will sound fine. I'm not 100% sure about that. The v10 has a very noteable buzzing sound to it and i want it to go away. I'd like it to sound good but not at the embarassment of screwing up and continuing to sound like a geo with a cherry bomb.
Does anyone have any additional information or thoughts on this?
The "buzzing" sound may be a variation of the ubiquitous "exhaust flutter" (buzzing/rattling at 2000-3000 rpm under acceleration):-X23 . Ford had a TSB for that that included a y-pipe change. I'm not sure what you did with the new "set-up" you installed. Did you change the y-pipe after the header?? Did you have a flutter problem before the header went south? Maybe you unknowingly reproduced the flutter problem by changing back from the newer, constricted y-pipe that alleviated the flutter noise.
Either way, making changes to the mufflers may not help the problem. Plenty of folks have been unhappy with the exhaust note of aftermarket mufflers with the V-10.
-V10gunner
'00 SD F250 Super Cab XLT, 4X2, 142"WB, 6.8L V10, 4R100, 4.30LS, Camper Package, Dark Toreador Red over Silver, Line-X, Husky mud flaps, Snugtop Xtra Vision Cab-high shell, Banks Stinger and Transcommand on order
If the replacement pipe dosn't match the "U" turn design on the passenger side from the factory, you could be re-compining the exhust pulses in a was that they don't flow together cleanly.
We all hated the "U" turn in the stock pipe as it not only increased resistance, but allowed a "standing wave" sound to be created (the flutter).
I've found most of my sound atenuation is actualy in the cataletic converter(s) on these trucks. Did your old Y-Pipe have the small cat's in them? Did you remove the cat when you installed the new Y-Pipe? If so this is the cause of the extra noise.
Yes, it had the original Y on it and the shop put on a custom job... Needless to say I'm not happy with the replacement. Do you have any idea what my options are with this? The old Y was no longer useable because it had a hole in it and sounded worse than it does now, granted not much.....
Do I need to contact the dealer and try to order one? That would be $$$$
I'd be happy for now if the truck was just quiet. Would better mufflers make it quiet again or is that pesky noise going to get right through? Are there any aftermarket y pipes that will work as good as the factory pipe, minus the big hole in my old one?
[updated:LAST EDITED ON 05-Mar-02 AT 02:26 AM (EST)]The V10 exhaust is very odd. I ran my truck for a week without the cat and boy was it loud! I don't know how switching the Y around would increase sound that much. At any rate, the only fix is a header kit(Borla or Banks) (kidding) I'm guessing the glasspacks add to the sound. If your converter is missing or altered then it will be louder.