AJMBLAZER
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Anybody know what the stock exhaust size is? I'm thinking 2.25" or 2.5".
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Stock dual exhaust size?
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mangus580
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its an odd size... like 2.125 I think
AJMBLAZER
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Is that inside or outside diameter?
Westech
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its 2.25 dual
AJMBLAZER
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ID or OD?
Westech
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pipe is pipe!!! 2.25 pipe size.. people.. id and od is only needed when installing mufflers ect... pipe is OD mufflers are ID
Westech
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sorry to be harsh i do not mean to be... but for some reason there is this world wide thought the pipe comes in different sizes (ID, OD) it dont. the pipe is sold as OD so that mufflers and cats..ect can slip over the pipe. you never never want to put pipe OVER the thing that you are installing.
Craig C
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Has anyone tried say 3" or 4" pipe etc on their CUCVs.....will it work, will it help the 6.2 breath any better or what?? Is it a waste of time and money, anyone have any ideas on this?
mangus580
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I think anything over a 2.5" setup is wasteful on the 6.2 N/A (from what I have found.
1956_4x4
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Re: RE: Stock dual exhaust size?
Smitty
The confusion may come from dealing with different types of pipe. Exhaust pipe may all be measured by OD, but much of the piping we deal with is measured by ID.Westech said:
Smitty
acetomatoco
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RE: Re: RE: Stock dual exhaust size?
the standard dual setup is plenty big enough for the naturally aspirated 6.2... My 6.5 turbo on my 98 GMC has only one small pipe!! ACE
the standard dual setup is plenty big enough for the naturally aspirated 6.2... My 6.5 turbo on my 98 GMC has only one small pipe!! ACE
IRWFO
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RE: Re: RE: Stock dual exhaust size?
From my experiance with deisels they don't need any back pressure like a gas engine likes. So going over 2.5 won't hurt anything. Just swapping my stock mufflers with Flowmasters was a nice seat of my pants feel. When I'm ready to do the whole exhaust I'm going with 3" just because it's only a few dollars more then 2.5".
From my experiance with deisels they don't need any back pressure like a gas engine likes. So going over 2.5 won't hurt anything. Just swapping my stock mufflers with Flowmasters was a nice seat of my pants feel. When I'm ready to do the whole exhaust I'm going with 3" just because it's only a few dollars more then 2.5".
Jones
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RE: Re: RE: Stock dual exhaust size?
Maybe this'll help... maybe not.
"Pipe" is measured by it's I.D. i.e. 1/2" water pipe is 1/2" inside. Pipe's "schedule #" is what determines wall thickness and pressure rating; schedule 40, sch. 80, sch. 300. I sometimes do steamfitter's work at the RR museum shop where I volunteer and ya gots to know this stuff.
Exhaust "pipe" is actually exhaust "tubing". All tubing is measured by it's O.D. and a specified wall thickness. i.e. 4"/.065 wall. Muffler shops also go into I.D./O.D. stuff because of the slip joints in some exhaust systems-- so you'll find 4"O.D./O.D. or 4" O.D./I.D. mufflers, tubing, elbows, U-bends and etc. in catalogs like Walker or Maremont.
Maybe this'll help... maybe not.
"Pipe" is measured by it's I.D. i.e. 1/2" water pipe is 1/2" inside. Pipe's "schedule #" is what determines wall thickness and pressure rating; schedule 40, sch. 80, sch. 300. I sometimes do steamfitter's work at the RR museum shop where I volunteer and ya gots to know this stuff.
Exhaust "pipe" is actually exhaust "tubing". All tubing is measured by it's O.D. and a specified wall thickness. i.e. 4"/.065 wall. Muffler shops also go into I.D./O.D. stuff because of the slip joints in some exhaust systems-- so you'll find 4"O.D./O.D. or 4" O.D./I.D. mufflers, tubing, elbows, U-bends and etc. in catalogs like Walker or Maremont.