Crossover pipe/Y-pipe - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 12 Old 01-03-2018, 11:55 AM Thread Starter
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Crossover pipe/Y-pipe

Thinking of getting the RK long arm kit, talking to a couple different people about the exhaust modifications?
On the 4 door it seems like using either the afe or magnaflow y-pipe kit resolves a lot of the issues as it deletes the loop and puts the crossover behind the cross member. AFE and Magnaflow both list the y-pipes as 4dr only? Is there a way to make either of these work on a 2 door?

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post #2 of 12 Old 01-03-2018, 01:27 PM
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id think if you're somewhat capable with a TIG,
anything would be possible.

or, just buy something specifically for the scenario you inquire-about after searchin the Googs for it....

https://www.extremeterrain.com/magna...u-install.html


I drive an '11 soccer mom wagon , so wtf do I know?




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post #3 of 12 Old 01-03-2018, 01:49 PM Thread Starter
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Apparently I missed that one!! even though RK says that its for a 4 door only

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post #4 of 12 Old 01-03-2018, 01:52 PM
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you'll wanna ask @Rock Krawler Suspension about that ; they are approachable/helpful and are usually on here.
Adam will respond if you inquire.



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post #5 of 12 Old 01-03-2018, 02:43 PM
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Quote:
Originally Posted by jtlr View Post
Thinking of getting the RK long arm kit, talking to a couple different people about the exhaust modifications?
On the 4 door it seems like using either the afe or magnaflow y-pipe kit resolves a lot of the issues as it deletes the loop and puts the crossover behind the cross member. AFE and Magnaflow both list the y-pipes as 4dr only? Is there a way to make either of these work on a 2 door?
2010 4 door is in the exhaust shop right now. I am doing a full custom exhaust, and we are putting the crossover behind the transfer case. The issue that you will have is interference between the upper link and the driver side down pipe. The driver side control arm mount also gets in the way. I don't think any off the shelf kits will fix these issues. Figure 4-500 bucks out the door for the work.
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post #6 of 12 Old 01-03-2018, 09:50 PM
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The reason a lot of companies/people don't suggest doing a crossover behind the crossmember on a 2-door is that the exhaust pipe becomes disturbingly close to the plastic fuel tank. It's usually done by wrapping the exhaust pipe and also putting heat reflector on the tank. That sort of thing just scares me too much, but people have been successful.
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post #7 of 12 Old 01-04-2018, 08:07 AM
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Quote:
Originally Posted by j3ff3ry_j33p View Post
id think if you're somewhat capable with a TIG,
anything would be possible.

or, just buy something specifically for the scenario you inquire-about after searchin the Googs for it....

https://www.extremeterrain.com/magna...u-install.html


I drive an '11 soccer mom wagon , so wtf do I know?




In our experience, that doesn't fit a 2 door although I can't recall what it interfered with and I don't have a 2 door here right now to verify.

OP may want to contact magnaflow directly and confirm fitment prior to purchase. Magnaflow's website lists it as a direct fit on 2 door and 4 door.

Jeremy at RK is working with magnaflow for a direct fit solution for 2 doors.

Adam C
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post #8 of 12 Old 01-04-2018, 09:35 AM
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Quote:
Originally Posted by christensent View Post
The reason a lot of companies/people don't suggest doing a crossover behind the crossmember on a 2-door is that the exhaust pipe becomes disturbingly close to the plastic fuel tank. It's usually done by wrapping the exhaust pipe and also putting heat reflector on the tank. That sort of thing just scares me too much, but people have been successful.
I have the MagnaFlow y-pipe on my 2012 2Dr. It took some work with the bolts loose and a couple ratchet straps, but it's in. Yes it's close to the gas tank but I used some exhaust wrap and sheld that I has sitting around from a motorcycle. Its been on for 3yrs and wheeling in Florida all day in the summer time. No issues with it and the fuel tank... I will try to get pics when I get home from work tonight.


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post #9 of 12 Old 01-04-2018, 09:36 AM
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There ya have it , @jtlr



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post #10 of 12 Old 01-04-2018, 12:12 PM
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Quote:
Originally Posted by Bumpstick View Post
I have the MagnaFlow y-pipe on my 2012 2Dr. It took some work with the bolts loose and a couple ratchet straps, but it's in. Yes it's close to the gas tank but I used some exhaust wrap and sheld that I has sitting around from a motorcycle. Its been on for 3yrs and wheeling in Florida all day in the summer time. No issues with it and the fuel tank... I will try to get pics when I get home from work tonight.
Good to know. Thanks!

Adam C
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post #11 of 12 Old 01-04-2018, 02:31 PM
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No it will not fit on a 2 door. There is no room between the fuel tank and engine/transmission to relocate the y-pipe rear of the cross member. On 4 Doors the fuel tank is farther back allowing the required space to re-route the y-pipe behind the cross member.
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post #12 of 12 Old 01-04-2018, 08:20 PM
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Finishing up my RK long arm on my 2 door. The hardest part is the exhaust. What I did I cut my factory y pipe in 45 degrees in 3 or 4 cuts and i was able to re use almost all of my stock pipe to wrap around the c/a bracket. Mine is a 10 so re routing the cat is a must. I will try show pictures tomorrow. As for the Y pipe for the 12 and up I tried to install one on a 2 door and no way itís too close to the tank. I could not put my name on that even if it was wrapped....(it was a manual transmission)

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