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2014 Jeep Grand Cherokee Black Heat Exhaust tone issue.

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  • 2014 Jeep Grand Cherokee Black Heat Exhaust tone issue.

    I installed the Black Heart exhaust system on my 2014 Grand Cherokee. Sounds deep & throaty at startup/idle and up until 2500 RPM. After 2500 RPM though the tone changes a lot and the throaty V8 roar goes away. I noticed when installing the X-pipe, it's nothing more than two separate pipes with a 1/2" to 3/4" hole drilled between the two and then welded together. Would a more high flow X-pipe keep the tone into the higher RPM?
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