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Old 01-07-2014, 12:11 PM   #1
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Talking New AXLE back exhaust system for 2007-14 Jeep JK's

We are excited to launch our new AXLE back system using our new 304 polished stainless steel Super Turbo muffler.
This is an easy upgrade to the bulky, restrictive stock muffler.
We saw gains on the 3.8 equipped JK with an additional 12 HP and 11 TQ.
Backed by our 90 day Sound and Performance Guarantee, so if you aren't happy return it for a refund.
Made in the USA!
Ask your favorite retailer about pricing.



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Old 01-08-2014, 12:33 PM   #2
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Too bad you couldn't eliminate the crimp in the inlet side.

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Old 01-08-2014, 12:39 PM   #3
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Too bad you couldn't eliminate the crimp in the inlet side.

Most systems will have a bend like that in that area. Nature of the beast.
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Old 01-20-2014, 04:06 PM   #4
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What is the difference between the 39528 and the 39510? Thanks!
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Old 01-20-2014, 04:24 PM   #5
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What is the difference between the 39528 and the 39510? Thanks!
P/N 39510

Uses a stainless steel Super Turbo muffler and you have to attach the tips with the provided clamps.

P/N 39528
Uses a POLISHED stainless steel Super Turbo muffler and you have to attach the tips with the provided clamps.

The P/N 39528 will be a tad quieter than P/N 39510 but both aren't that much louder than stock, what you gain is not have such a huge muffler in the rear and a little more HP/TQ.
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Old 01-20-2014, 07:27 PM   #6
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I have heard some feedback that one tip on the 39510 hangs lower than the other, have you guys looked into this at all or changed the design to correct it?
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Old 01-21-2014, 10:10 AM   #7
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I have heard some feedback that one tip on the 39510 hangs lower than the other, have you guys looked into this at all or changed the design to correct it?
I have an e-mail in on this question. The reason that one side was a bit lower was to help get condensation out of the system. But once I hear back from our engineers, I will report back.
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Old 01-21-2014, 11:04 AM   #8
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Talking

No changes have been made to the 39510 yet on the angle of the tail pipes. For reason mentioned above.

Here is an image of the 39528 installed for reference. This is with an aftermarket (Rancho) rear bumper. The factory bumper is larger and the tips are closer to it. You do have to slide on one tip farther than the other to line them up.


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