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Old 08-09-2006, 01:38 PM   #1
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In need of a muffler for a 1988 Ford 460 V-8. The current muffler is about 29-30" long and is oval in shape. It sits behind the catalytic converter. Most of the muffler shops have shorter mufflers (20-24"). They can special order a round one for $160, plus installation. Has anyone had experience in putting a shorter muffler on a 460? It also has a 2-1/2 inch inlet-outlet. Any help would be appreciated. Thanks

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Old 08-09-2006, 01:38 PM   #2
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In need of a muffler for a 1988 Ford 460 V-8. The current muffler is about 29-30" long and is oval in shape. It sits behind the catalytic converter. Most of the muffler shops have shorter mufflers (20-24"). They can special order a round one for $160, plus installation. Has anyone had experience in putting a shorter muffler on a 460? It also has a 2-1/2 inch inlet-outlet. Any help would be appreciated. Thanks

Larry
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Old 08-11-2006, 05:03 AM   #3
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I would be concerned about too much constriction in the exhaust with the smaller muffler. The muffler is sized to handle the expected flow of the exhaust gases through that big 2.5 inch pipe.

The shorter length itself does not necessarily mean the flow is more constricted - it is the internal design that is important. However, smaller mufflers ae generally designed for lower volumes of exhaust.

Have you tried truck shops as a source for the larger muffler?
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Old 08-11-2006, 03:41 PM   #4
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Hi Ragman,rv Roamer is quite right. You need to replace the muffler with oem muffler. ours were replaced with walkers and they blew out in no time. They looked like balloons they were that deformed. I would go with Flowmasters if it were me.they are designed to take the heat and abuse that a motorhome dishes out.
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Old 08-14-2006, 11:13 AM   #5
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Ragman, you need to find a muffler shop that does something other than rice racers.

Joking aside, don't go with anything less than 2.5" in and out. You could look for a shop that does pickups and trucks.
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