Exhaust System
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Elder User
Joined: Apr 2010
Posts: 645
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From: Richlands, NC
Exhaust System
Hey guys! I've got a 1985 Ford F-150 with a 4.9L 300 Six.
I am looking for an entire exhaust system, I just don't know where to get it for my year/make/model truck...
If you know where I could buy it, let me know!
I am looking for an entire exhaust system, I just don't know where to get it for my year/make/model truck...
If you know where I could buy it, let me know!
Fleet Mechanic
Joined: Jan 2011
Posts: 1,479
Likes: 0
From: West Valley City
Google it. I know JEGS, & NPD sell them.
Cargo Master
Joined: Oct 2005
Posts: 2,298
Likes: 26
From: NJ
Doubt anyone makes a bolt in deal. Probably run you $500 or less at a local exhaust shop. I'd recommend since you'll be doing the exhaust to snag a dual outlet exhaust manifold off a newer fuel injected big six before doing the exhaust. It should give a slight performance improvement.
Fleet Mechanic
Joined: Jan 2011
Posts: 1,479
Likes: 0
From: West Valley City
Doubt anyone makes a bolt in deal. Probably run you $500 or less at a local exhaust shop. I'd recommend since you'll be doing the exhaust to snag a dual outlet exhaust manifold off a newer fuel injected big six before doing the exhaust. It should give a slight performance improvement.
Elder User
Joined: Jul 2009
Posts: 625
Likes: 1
From: Colorado
Switch to EFI split manifolds, the increase in power is quite noticeable.
You can then use a Walker 45166 y-pipe. They also make a direct fit cat, muffler, and tailpipe, I'm not sure about the part numbers for those.
A lot of people also choose to go with a turbo-style muffler after the y-pipe, and dump just in front of the rear tire. Usually sounds pretty good.
Here's some good pics:
1981 Ford Bronco Exhaust Upgrade pictures, videos, and sounds | SuperMotors.net
You can then use a Walker 45166 y-pipe. They also make a direct fit cat, muffler, and tailpipe, I'm not sure about the part numbers for those.
A lot of people also choose to go with a turbo-style muffler after the y-pipe, and dump just in front of the rear tire. Usually sounds pretty good.
Here's some good pics:
1981 Ford Bronco Exhaust Upgrade pictures, videos, and sounds | SuperMotors.net
PREMIUM SPONSOR
Joined: Jan 2011
Posts: 164
Likes: 2
Dynomax PN 17447 (2.25 pipe diameter)
Dynomax PN 17312 (2.5 pipe diameter)
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Cargo Master
Joined: Oct 2005
Posts: 2,298
Likes: 26
From: NJ
87-96 would be fuel injected. Aside from that the frames are the same. So basically you'd need a split outlet manifold from a fuel injected truck then you should be able to use the Dynomax bolt on exhaust.
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PS your post was another "learning post" for me as well.
Thanks for sharing.
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pedant
Joined: Jan 2008
Posts: 23,576
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From: EXTREME southwest CT
The walker Y pipe is large internally but often the hole in the one pipe where they are welded together is a restriction.
You can take a 1 7/8" hole saw with an extension and open it up.
(these pic's are from Josiah's 300 build thread)
Stock EFI split manifold, individual pipes:
EFI manifolds, Walker Y pipe:
This is a view inside the Y-pipe with the hole cut out where the rear pipe is fishmouthed and welded onto the front one:
You can take a 1 7/8" hole saw with an extension and open it up.
(these pic's are from Josiah's 300 build thread)
Stock EFI split manifold, individual pipes:
EFI manifolds, Walker Y pipe:
This is a view inside the Y-pipe with the hole cut out where the rear pipe is fishmouthed and welded onto the front one:
