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Thread: Is exhaust extension still needed on 2013 JKU for 2.5" lift? Reply to Thread
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Topic Review (Newest First)
06-18-2014 09:07 PM
ESP Any of those here with the 2.5 and Bilstein shocks make contact when at full drop but not disco'd?
09-26-2013 11:24 AM
rodin so I jacked up the axle at the LCA mount on the passenger side. don't think I got it up to its limit so this photo may not hold much value. about an inch left of room.
09-24-2013 10:17 PM
rodin going to test this tomorrow with jack stands and the swaybar disco'd. i have the stock shocks with adapters. going to Moab on Friday and completely removing the swaybar when i get there, so I don't really want to find out then.
08-03-2013 11:56 PM
Vin
Quote:
Originally Posted by JK Rock View Post
I am thinking about installing the lift myself with some help possibly. I heard the exhaust spacers were the toughest part. Do you think it's worth it to get the bilsteins and have to do the exhaust spacers or should I just get the TF shocks and then not worry about the exhaust spacers? I say this now but I do think my Jeep will be mostly a daily driver. Who knows though, I might do more wheeling than I'm expecting.

I'll be ordering a 2014 JKU soon so I'm not sure if that matters. I heard the issue started with the 2012's.
With a brand spanking new vehicle? Do the spacers before the bolts rust up. My rig was only 7 months old and I ended up snapping the two bolts on the passenger side.


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07-31-2013 08:56 PM
JK Rock I am thinking about installing the lift myself with some help possibly. I heard the exhaust spacers were the toughest part. Do you think it's worth it to get the bilsteins and have to do the exhaust spacers or should I just get the TF shocks and then not worry about the exhaust spacers? I say this now but I do think my Jeep will be mostly a daily driver. Who knows though, I might do more wheeling than I'm expecting.

I'll be ordering a 2014 JKU soon so I'm not sure if that matters. I heard the issue started with the 2012's.
07-31-2013 09:16 AM
BigManAndy I have the TF 2.5" coil lift with Bilstein 5100 shocks and at full droop the front driveshaft was resting right on the crossover. Exhaust spacers took care of that problem.
07-31-2013 02:02 AM
OffRoadCam09
Quote:
Originally Posted by JK Rock View Post

What about the 2.5 TF coil lift with the bilstein shocks? Will an exhaust spacer be needed for this?
Yes I have this setup an found it was needed
07-31-2013 01:05 AM
Vin
Quote:
Originally Posted by JK Rock View Post
What about the 2.5 TF coil lift with the bilstein shocks? Will an exhaust spacer be needed for this?
Probably, Teraflex was suposed to be making their shocks a bit shorter specifically to address the exhaust issue. I don't Bilstein shortened their shocks.
07-31-2013 12:31 AM
dawhitesJKU ^@jkrock ...for around $50 its great assurance if u plan on using ur jeep as a jeep.
07-31-2013 12:06 AM
JK Rock
Quote:
Originally Posted by Vin View Post
Yes, I was saying this because someone said Teraflex shocks are now made shorter so you don't need the spacer.



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What about the 2.5 TF coil lift with the bilstein shocks? Will an exhaust spacer be needed for this?
07-07-2013 07:01 PM
Vin
Quote:
Originally Posted by fljeepleo View Post
Your shocks are what limits your full droop.
Yes, I was saying this because someone said Teraflex shocks are now made shorter so you don't need the spacer.



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07-07-2013 06:03 PM
fljeepleo Metal cloak allows for a lot of flexibility and droop. Like I said, you drive shaft droop is limited by the length of the shock. The Op is using the factory rubicon shock with the extension. This will not allow enough droop for contact.
07-07-2013 05:10 PM
TXREALTOR On my '13 JKUR with a 2.5 Metacloak lift they were needed.

As well, they were the hardest part of the installation of the lift.
07-07-2013 04:32 PM
fljeepleo
Quote:
Originally Posted by Vin View Post
I installed the Teraflex 2.5 lift last weekend. I noticed at full droop, with the frame on stands and the axled lowered via floor jack, that the drive shaft just laid on the exhaust pipes, so I'll be throwing in the extensions before I wheel it, just for piece of mind.

I also installed a Monster Front Track bar, and I feel it was worth it. Steering feels more solid and I check that both axles are completely centered (the rear bracket did a great job)

I was going to get the stabilizer, just to complete the look, but I fell back on "If it ain't broke, don't fix it."
Your shocks are what limits your full droop.
07-07-2013 03:08 PM
Vin I installed the Teraflex 2.5 lift last weekend. I noticed at full droop, with the frame on stands and the axled lowered via floor jack, that the drive shaft just laid on the exhaust pipes, so I'll be throwing in the extensions before I wheel it, just for piece of mind.

I also installed a Monster Front Track bar, and I feel it was worth it. Steering feels more solid and I check that both axles are completely centered (the rear bracket did a great job)

I was going to get the stabilizer, just to complete the look, but I fell back on "If it ain't broke, don't fix it."
07-07-2013 03:07 PM
OffRoadCam09 yes front an rear so i am not sure i may try an go flex it out some more an check an see. but i usually dont disconnect anyway
07-07-2013 03:02 PM
ESP
Quote:
Originally Posted by OffRoadCam09 View Post
i checked as well while we were flexin it out to swap springs. it didnt seem needed but i always have them if they are lol
Interesting to hear this with a 2.5

Were you disconnected however?
07-07-2013 02:57 PM
OffRoadCam09
Quote:
Originally Posted by ESP View Post
The need for the exhaust spacer isn't apparent unless the axles are fully dropped. It is possible then for the exhaust routing to come into contact with the cross member underneath. You wouldn't see a need for it just looking while parked.
i checked as well while we were flexin it out to swap springs. it didnt seem needed but i always have them if they are lol
07-07-2013 02:50 PM
ESP
Quote:
Originally Posted by OffRoadCam09 View Post
i have the 2.5" from teraflex an have blistein 5100 shocks an i went out an checked today to see if they were needed an i saw no where where anything would touch or come into contact on mine
The need for the exhaust spacer isn't apparent unless the axles are fully dropped. It is possible then for the exhaust routing to come into contact with the cross member underneath. You wouldn't see a need for it just looking while parked.
07-07-2013 02:27 PM
OffRoadCam09 i have the 2.5" from teraflex an have blistein 5100 shocks an i went out an checked today to see if they were needed an i saw no where where anything would touch or come into contact on mine
07-07-2013 01:08 PM
kjeeper10
Quote:
Originally Posted by fljeepleo View Post
i thought the issue with the 2.5 inch lift and the exhaust spacer was actually the length of the teraflex shock that was included with the 2.5 kit. They shortened the shock so there is less down travel thus eliminating the need for the exhaust spacer. I'm running this kit with no spacer and haven't touched. And trust me, i've flexed it to the max!

I'm using that exact kit with the rubicon shocks and extension.
x2
07-07-2013 01:06 PM
dawhitesJKU For the 2.5, you don't need the components you listed (front trackbar, steering stabilizer). The stocks will do just fine and at that height, it won't alter the geometry as much.

For the exhaust spacer, it's just for insurance purposes if u plan on using ur jeep as a jeep. It's very inexpensive so might as well do it.
07-07-2013 12:52 PM
fljeepleo I thought the issue with the 2.5 inch lift and the exhaust spacer was actually the length of the Teraflex shock that was included with the 2.5 kit. They shortened the shock so there is less down travel thus eliminating the need for the exhaust spacer. I'm running this kit with no spacer and haven't touched. And trust me, i've flexed it to the max!

I'm using that exact kit with the rubicon shocks and extension.
07-07-2013 12:49 PM
PhxTugboat
Is exhaust extension still needed on 2013 JKU for 2.5" lift?

The 2012's had that issue where spacers were needed to be installed so the driveshaft would not contact the exhaust.
I've read conflicting stories on whether or not this was required with a 2.5" lift.
Is this still necessary (if necessary for a 2.5" lift) with a 2013 JKU?

Any other tips or tricks you guys can throw out there? I've already watched the Teraflex install video and read a ton.
Opinions on whether a new stabilizer and adjustable track bar should also be done at the same time I'm under there, or wait until "it's needed". ???

I'll be installing this
Teraflex 1352000 - TeraFlex 2.5" Lift Kit with Shock Adapters for 07-13 Jeep® Wrangler Unlimited JK 4 Door

with a pair of Rubicon takeoffs I picked up for $50

along with this:
Rough Country Front Sway Bar Disconnects 2.5 in. (07-13 Wrangler JK) 1029

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