Why the y-pipe style?
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Elder User
Joined: May 2003
Posts: 858
Likes: 1
Why the y-pipe style?
I like all the discussion about replacing the y-pipe. I got to thinking, why did Ford design it that way? To stop "flutter", increase low end, more heat in the exhaust pipe prior to the y for the o2 sensors? What are your guys thoughts.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
With the performance gains (stated by users) and the absence of annoying flutter (posted by some but not by others) obtained by using a more traditional Y-pipe style, your guess is as good as mine.
Someone once mentioned about Ford seemingly wanting to keep the head pipes of equal length, hence the funky Ram's horn design on the passenger side. I guess once the flut-t-t-t-t-ter was discovered necking down was easier (read:cheaper) than designing a whole new Y-pipe.
Someone once mentioned about Ford seemingly wanting to keep the head pipes of equal length, hence the funky Ram's horn design on the passenger side. I guess once the flut-t-t-t-t-ter was discovered necking down was easier (read:cheaper) than designing a whole new Y-pipe.
Senior User
Joined: Oct 2003
Posts: 101
Likes: 1
From: South Jordan Utah
I had a Y pipe made for my 03 and I think I lost a little bottom end torque. I then got a Borla headers & Y pipe setup and seemed to regain the low torque along with better pulling torque at 3000 to 4000 with my 34 ft 5th wheel, so maybe the neck down helped low torque with the stock headers.
New User
Joined: Nov 2005
Posts: 11
Likes: 0
From: Tiverton, RI
MMMM Does anyone make an aftermarket "big Y pipe" that is ok with Ford EPA etc.
What is cost and how bad is the low end torque hit. I'm buying an 02 F350 V10 with 3:73's and I'll be hauling about 6700# loaded.
Thanks for any input
What is cost and how bad is the low end torque hit. I'm buying an 02 F350 V10 with 3:73's and I'll be hauling about 6700# loaded.
Thanks for any input
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Elder User
Joined: Jan 2003
Posts: 681
Likes: 5
From: Athens,Texas
Originally Posted by sjjacks
MMMM Does anyone make an aftermarket "big Y pipe" that is ok with Ford EPA etc.
What is cost and how bad is the low end torque hit. I'm buying an 02 F350 V10 with 3:73's and I'll be hauling about 6700# loaded.
Thanks for any input
What is cost and how bad is the low end torque hit. I'm buying an 02 F350 V10 with 3:73's and I'll be hauling about 6700# loaded.
Thanks for any input
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