4.0 exhaust on a 2.5? - JeepForum.com

 
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post #1 of 4 Old 02-17-2014, 08:46 PM Thread Starter
MessianicMoss
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Join Date: Feb 2014
Location: Louisville
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4.0 exhaust on a 2.5?

Hey guys, I was wondering if I could take a Flowmaster Force 2 cat-back exhaust system for a 4.0 91-95 YJ and put it on a 2.5 94. I cant seem to find the exhaust made for a 2.5..

The reason I ask is because I see a lot of other exhaust (dynomax, pacesetter, magnaflow, ect) that fit both the 4.0 and the 2.5.. yet the Force 2 says it doesnt...?

Has anyone ever done this or had any experience with it? (I mean I would put on headers and stuff if itd help. although im afraid ill loose a bit of torque with some headers...)

Thanks for all the help!

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post #2 of 4 Old 02-17-2014, 09:06 PM
imstillatwork
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1993 YJ Wrangler 
 
Join Date: Aug 2009
Location: Oregon Coast
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don't bother. If you need exhaust work, take it to your local shop and tell them what you want. You wont gain anything with the big brands, and you'll pay $$$
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post #3 of 4 Old 02-17-2014, 09:12 PM Thread Starter
MessianicMoss
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Also, if you look at page 54 of the master catalog:

http://www.flowmastermufflers.com/im...13_digital.pdf

It shows no part number for the 2.5 but includes the 4.0 with it, and right above it shows the 4.0 with a part number. So maybe it is interchangeable for the 91-95 but no 87-90? Heck I dont know....

Also, the dynomax tail pipe works for both the 2.5 and the 4.0... and the exhaust is just that plus a muffler... so it would make sense that it would fit...
http://www.quadratec.com/products/51409_06.htm

Any confirmation on this stuff??
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post #4 of 4 Old 02-18-2014, 07:00 AM
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit
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The 87-90 has the egr and tube on it. If you are in a non emissions state then use any of the 91-95 2.5l and they will bolt right up. You will need to plug the intake port tube but it is way cheaper and they are a direct bolt on with no appreciable difference because of the egr.
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