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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Exhaust Question

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Old Sep 12, 2024 | 10:38 AM
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Exhaust Question

There is a used but still very usable dual exhaust for a 73-79 F-150 locally. My question is will it work on my 84? I have shorty headers...
 
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Old Sep 12, 2024 | 02:22 PM
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Going to out on a limb here and say from the Y pipe back it most likely will fit as not much has changes over the years.

Why I say this is I am running a 94 F150 system from manifolds to tail pipe less cat and it fit right on even clears the spare tire & frame mounted hitch.
I only had to cut the metal hanger off the tail pipe that the rubber donut went on.
Dave ----
 
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Old Sep 12, 2024 | 04:11 PM
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OP mentioned dual exhaust so there would be no y pipe but shouldn't be too difficult to make it work if the price is right.

I just installed a brand new $125 single universal exhaust (minus muffler) from Flowmaster on my 351w 85 Bronco and it was super easy install.
Only had to cut for length along side of the transmission and cut the length of the angled corner exit so I could weld on a stainless tip.
It was in about four sections for adjustability reasons so there was some light fabrication work but super easy.


Not the same as one I bought but could likely make it fit your application easily but of course you would need mufflers and more pipe to reach shorties.
https://www.ebay.com/itm/201829291891

 
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Old Sep 12, 2024 | 04:24 PM
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Originally Posted by Shadow_D
There is a used but still very usable dual exhaust for a 73-79 F-150 locally. My question is will it work on my 84? I have shorty headers...
If the duals do not both go down the pass side and cross back over at the rear, it will not work.
 
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Old Sep 12, 2024 | 06:29 PM
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The listing pictures look good. Price is right but it's a bit of a drive for me, one I'm willing to make as the seller has some other items listed that I would be interested in as well...
This is what the seller wrote in the ad....
this is actually vey usable still. it was under a 78 f150 with a 351w 4 speed 4wd reg cab long bed. i allways have people asking for exhaust, normally its no good.
I also think he might be a member here on FTE.
 
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Old Sep 12, 2024 | 08:44 PM
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I missed the "dual" part
As DaveF said if it dose not run down the right side like factory it most likely not fit as you could have a fuel tank on the left side.
Also think about the brake & fuel lines running down the left side that would not get heated.
Dave ----
 
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Old Sep 12, 2024 | 08:50 PM
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I can't quite tell from the pictures but it looks like it DOES run down the right side...
 
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