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Old 02-19-2013, 09:49 PM   #1
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Where to buy a flowmaster original 40 for wrangler tj?

People are always saying they have gotten a flowmaster original 40 series for their wrangler tjs and not the delta flow or super 40/44s. I like the sound of the original 40 but when i look online it seems to me that they never made one with a center inlet and offset outlet which is what the wrangler tj uses. Can anyone able to clarify on how this is done?

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Old 02-19-2013, 10:24 PM   #2
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Old 02-19-2013, 10:26 PM   #3
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Or a similar (maybe even better) sound for half the price...what I prefer.

Dynomax 17651 Thrush Welded Mufflers
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Old 02-19-2013, 10:33 PM   #4
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That's backwards. I coulda sworn a tj was center inlet and offset outlet
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Old 02-19-2013, 11:43 PM   #5
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Almost positive most of the standard type is a center out. I think your gonna want a center in/ out. Id crawl under mine but its dark out. Im sure mine is offset in. I bogarted it from my co worker, just had to turn it slightly so it would fit.
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Old 02-20-2013, 06:34 AM   #6
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I guess I'll figure it out. I like the original series.
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Old 02-20-2013, 08:31 AM   #7
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Anyone
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Old 02-20-2013, 08:56 AM   #8
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Just checked, mines offset in center out. Your gonna want center in/ out. Try jegs or summit.
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Old 02-20-2013, 09:01 AM   #9
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Originally Posted by krisbman
Just checked, mines offset in center out. Your gonna want center in/ out. Try jegs or summit.
I'll check after class what I need but I know for a fact that they don't have a center inlet offset outlet for original 40 and that is why I'm wondering how so many people claim they have original 40 unless they truly have the delta flow 40 or super40 which I don't like as much
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Old 02-20-2013, 09:05 AM   #10
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You can always get an offset in like mine and just angle it down slightly on the passenger side. I have the original 40
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Old 02-20-2013, 09:10 AM   #11
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Originally Posted by krisbman
You can always get an offset in like mine and just angle it down slightly on the passenger side. I have the original 40
I'm not all to smart with mechanics on cars just yet haha, what do you mean by angling it down? Hanging the tail pipe Lower or literally angling the muffler downwards at the exit
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Old 02-20-2013, 09:14 AM   #12
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What i mean is actually turning the muffler slightly when its on the exhaust pipe so its not on a horizontal plane. Turned slightly down on the passenger side it will clear
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Old 02-20-2013, 09:18 AM   #13
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Does that make it rattle or any less sturdy etc? It's 2.5 inlet and 2.25 outlet right?
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Old 02-20-2013, 09:20 AM   #14
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Mine doesnt, and no its not less sturdy. Im pretty sure its 2.25 in/ out
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Old 02-20-2013, 09:24 AM   #15
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Okay and you said offset in center out?
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Old 02-20-2013, 09:25 AM   #16
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Yup
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Old 02-20-2013, 09:29 AM   #17
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Quote:
Originally Posted by krisbman
Yup
Sounds good. Im surprised they don't have a center in offset out.
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Old 02-20-2013, 09:30 AM   #18
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Originally Posted by EricsRubi

Sounds good. Im surprised they don't have a center in offset out.
Yeah.
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Old 02-20-2013, 09:40 AM   #19
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Are you happy with it? Sound and performance+durability?
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Old 02-20-2013, 11:52 AM   #20
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Are you happy with it? Sound and performance+durability?
Yup
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Old 02-20-2013, 01:35 PM   #21
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Quote:
Originally Posted by EricsRubi View Post
Does that make it rattle or any less sturdy etc? It's 2.5 inlet and 2.25 outlet right?

When ya install it, keep in mind the clearance needed for the skid plate. When I first welded on my Thrush, the exhaust ended up too close to the skid and it rattled. So my suggestion it to tack weld the muffler into place, then raise the skid plate into position to check clearance...then do the final welds.
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Old 02-20-2013, 05:57 PM   #22
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Quote:
Originally Posted by Dextreme

When ya install it, keep in mind the clearance needed for the skid plate. When I first welded on my Thrush, the exhaust ended up too close to the skid and it rattled. So my suggestion it to tack weld the muffler into place, then raise the skid plate into position to check clearance...then do the final welds.
True. I really wanted an original 40 but since they didn't make one to fit then I'm going with a super 44 as a 40 delta flow isn't loud enough.
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Old 02-21-2013, 08:22 PM   #23
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Quote:
Originally Posted by EricsRubi

True. I really wanted an original 40 but since they didn't make one to fit then I'm going with a super 44 as a 40 delta flow isn't loud enough.
Dude, i told you in yer other flowmaster thread the original 40 series with offset in/ center out will work!
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Old 04-01-2013, 05:17 PM   #24
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Damn it, I was in this same situation. I wanted an original 40 but ended up buying the super 40 because they didn't have the right fitting one for my tj.
Are you telling me I can seriously use a original 40 series and just flip it?
I will gladly buy a new original 40 series muffler if this will work
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Old 04-01-2013, 07:03 PM   #25
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Damn it, I was in this same situation. I wanted an original 40 but ended up buying the super 40 because they didn't have the right fitting one for my tj.
Are you telling me I can seriously use a original 40 series and just flip it?
I will gladly buy a new original 40 series muffler if this will work
Its what i put on mine, i just had to turn it slightly once it was on the head pipe. Its just slightly below the frame.
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Old 04-02-2013, 11:05 PM   #26
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Its what i put on mine, i just had to turn it slightly once it was on the head pipe. Its just slightly below the frame.
Do you lose much clearance that way? Or do other things hang lower than the muffler?
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Old 04-02-2013, 11:54 PM   #27
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Do you lose much clearance that way? Or do other things hang lower than the muffler?
I'll take a pic and post it. Right now i have a TC drop and its not any lower than that. There is a place that sells knock off flowmasters called CSI. I think we can get a muffler for like $40. They sound just like a 40.
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Old 04-03-2013, 12:55 PM   #28
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Looking forward to the pic. Thank you

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