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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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aFe MACH Force XP Axle-Back Exhaust

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Old 04-05-2015 | 11:24 PM
  #11  
whisps1's Avatar
JK Newbie
 
Joined: Sep 2011
Posts: 52
Likes: 0
From: Los Angeles, Ca
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Originally Posted by Namtaru
As an update to this, I still have this system on my Jeep and it will be staying on for the foreseeable future.
Actually, after a couple thousand miles it has toned down a little bit quieting it a little more than it was day 1.
Loving this exhaust.
Did you see any gains in performance or was it mostly just sound and clearance? Any gains in mpg? And are you using it with a CAI, and if so which kind? Just curious as I am considering this setup now.
Old 04-06-2015 | 05:14 PM
  #12  
tlminh's Avatar
JK Enthusiast
 
Joined: Mar 2012
Posts: 136
Likes: 0
From: APO, AP
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Originally Posted by whisps1

Did you see any gains in performance or was it mostly just sound and clearance? Any gains in mpg? And are you using it with a CAI, and if so which kind? Just curious as I am considering this setup now.
My mpg has been neglible. I have 3.6

I run it without cai. I bought it to replace the stock axle back after it was smashed off roading

I have since wheeled many times with it, and the hi tuck is a great advantage.

I also daily drive with top down, doors off, plugs pulled and no carpet. The sound is barely noticeable. There is no highway drone. I play kids bop cd for my daughter when she is in the jeep.

Sometimes I wish it were louder actually




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