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Deegan 38 by Gibson Split Rear Axle-Back Exhaust (07-18 Jeep Wrangler JK)

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    Features, Video & Details

    • Aggressive Exhaust Note with Minimal Drone
    • Improves Exhaust Flow for More Power
    • Dual Outlet - Straight Through Muffler Design
    • 2.5" Mandrel-Bent Aluminized Steel Tubing
    • High Temp Black Ceramic Finish
    • 4" Intercooled Round Slash Cut Exhaust Tips
    • Direct Bolt-On Upgrade
    • Fits all 2007-2018 Jeep Wrangler JK Models

    Review & Installation Video

    Review & Install Video

    Aggressive Sound. Installing a Deegan 38 Split Rear Axle-Back Exhaust will add a more aggressive sound to your 2007-2018 Jeep Wrangler. This Axle-Back Exhaust is built by Gibson specifically for Deegan 38. The two companies worked closely together to create a very aggressive sound, with minimal drone, that is perfect for your Jeep JK.

    More Power. The Deegan 38 by Gibson Split Rear Axle-Back Exhaust will not only improve the sound of your JK, but it will also give it an increase in power when you need it most. Because Jeep enthusiast need more power from idle to 3000 RPM, Gibson designed their Deegan 38 Exhaust to enhance low and mid range performance for climbing and towing. This makes the Deegan 38 Axle-Back ideal for both street and off-road applications.

    Quality Construction. This Deegan 38 by Gibson Axle-Back Exhaust is manufactured from 2.5" mandrel bent aluminized steel tubing for strength. With a straight-through muffler, this Deegan Exhaust features dual 4" intercooled round slash cut exhaust tips. Built to last, this Axle-Back has been completed in a high temp black ceramic finish to provide superior resistance to heat and the elements.

    Direct Bolt-On Installation. Gibson engineered their Deegan 38 Split Rear Axle-Back Exhaust to be a direct bolt-on replacement. This Deegan 38 Axle-Back Exhaust will easily bolt straight up to the factory piping without any cutting, modifications or special tools required. Installation can be completed in about an hours time.

    Application. This Deegan 38 by Gibson Split Rear Axle-Back Exhaust is designed to fit 2007-2018 Jeep Wrangler JK and JK Unlimited models.

    Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (1) Muffler Assembly
    • (1) 2.5” Clamp
    • (2) 3.5” Exhaust Tips
    Installation Info
    Tech Specs
    Will it fit my Wrangler?
    • JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18

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    Questions & Answers (2)

    2 Top Rated Questions

    Is the Deegan 38 Shield removable? Images of the the unmounted system do not show it attached, however, all installed versions seem to have it on the tip.

    • The tips for the Deegan 38 by Gibson Split Rear Axle-Back Exhaust will be a clamp on style, and can be removed.

    Helpful (0)

    Are these tips 4" or 3.5"? The description says 4" but in the box says 3.5".

    • The Deegan 38 by Gibson Split Rear Axle-Back Exhaust will feature a 4" tip.

    Helpful (0)
    Post Your Question

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    Customer Reviews (4) Write a Review

    Overall Rating 4.5

    out of 5 stars

    Installation Time:Less than 1 Hour

    • Exhaust Note 4.25 4.3
    • Fit & Finish 4.5 4.5
    • Bang For Your Buck 4.25 4.3

    • 4/5

      Installation Time: Less than 1 Hour

      August 16, 2018

      Deegan 38 exhaust

      I like this exhaust and its solidly made and high quality. What i didn't like is the kinda japanese rice rocket exhaust sound. But this will change when a cold air intake is installed. Then the sound of the deegan 38 exhaust sounds great . Overall its a quality exhaust . I just didnt like the sound before i installed my AFE CA intake. One other thing i think it's a bit pricey for just a axle back exhaust.


      Year: 2017Submodel: Wrangler

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      June 23, 2018


      Very easy to install, and sounds fantastic! Combined with the Red Rock cold air intake my Jeep purrs like a V8 and is so much fun to drive now. Especially with a manual tranny, I'm very happy with this purchase and the end result. Highly recommend.


      Year: 2015Submodel: Wrangler

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      January 28, 2018


      Jeep purrs!!! Very happy with the purchase.. need to install a second bracket however ( not included in box) to have it sit even on Jeep


      Year: 2016Submodel: Wrangler

      Helpful (5)

    • 4/5

      Installation Time: Less than 1 Hour

      January 06, 2018

      Nice and Easy.

      This was probably the easiest thing, so far, to install on me Jeep. Granted, I know my way around a garage and have had several muscle cars to work on I do have to say Jeeps are the mens version of Lego. So on to the review. Install - This was absolutely easy. 15 minutes max. The whole process was an hour and 45 minutes of it was prep and removal of the old muffler which was a pain to get off. Attach the left mount, push it onto the pipe, attach the right mount and that was most of the work. Leveling and making sure it was nice and straight was easy. Tighten down four bolts and the muffle is done. Shipping - This is where I was not happy and it was a Gibson goof and not a ET issue. Gibson, put some time and effort into packing material. Upon arrival one of the exist pipes decided to exit the box putting some minor damage on the pipe and made it hard to get the cover on. I have driven it about 1 hour so far and I love the sound and will have to compare it to a boat motor. It has that same drone and sound. I personally like it but I know some others don't. I have owned Flowmasters in the past and still love their sound but the Gibson does have a nice aggressive sound. I will try to post an update in about 6 month as to the status especially since Gibson's do have a issue with rusting on the Metal Mulisha, hopefully the Deegans are not the same case.


      Year: 2017Submodel: Wrangler

      Helpful (7)

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