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-   -   2011/12 Hemi grand cherokee exhaust (http://www.jeepgarage.org/f108/2011-12-hemi-grand-cherokee-exhaust-40181.html)

trwolfpack 04-02-2012 05:21 PM

2011/12 Hemi grand cherokee exhaust
 
Is it worth it to upgrade the stock exhaust on the 2012 hemi grand cherokee 4 x 4 --- what are the real - mpg, trq and hp gains for doing so - and what is the diameter of the stock exhaust - thanks

ckehl2 04-02-2012 08:26 PM

Re: 2011/12 Hemi grand cherokee exhaust
 
I don't know what the HP, torque or MPG gains are, would depend on what you replaced it with. But the stock exhaust is 2.5" to the ball flanges in the middle, from there it is 2.25" the rest of the way.

ColdCase 04-03-2012 04:54 AM

Re: 2011/12 Hemi grand cherokee exhaust
 
Upgrade for the sound. Until a tuner comes out, the performance gains, if any, are not worth the cost (and because it sounds better, it seems to run better).

BuckeyeSRT 04-03-2012 05:53 AM

Re: 2011/12 Hemi grand cherokee exhaust
 
I would go with an intake first.

nonopr01 04-03-2012 10:33 AM

Re: 2011/12 Hemi grand cherokee exhaust
 
Bring the Dyno test, NOW!!!


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