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Old 07-20-2015, 04:05 PM
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Corsa catback/ecu tune questions

I'm researching for my stock 2012 Jeep Grand Cherokee Overland.

I really would like to get the corsa catback exhaust installed along with a diablo sport tune.

I have searched the forums for actual reliable sources, but I still find myself nervous about spending my cash and not actually seeing noticeable results.

Would these upgrades actually help horsepower substantially (exhaust/tune)? Will this help gas mileage (I assume no). Again I am no motorhead I am new to all this stuff. Just looking to get some support and answers from those of you who have one or both of these upgrades!

Thank you guys!

Also anyone know where I can find these parts used here as opposed to new? Part number 14557 and a diablo sport tune.

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Old 09-12-2015, 11:28 AM
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Re: Corsa catback/ecu tune questions

I have the Corsa and tune from hemifever in my 2011 Summit. I can't say either made a night and day difference. That said I enjoy the sound of the exhaust far better, and I like the shift points and firmness using the hemifever tune. I'd gladly purchase both again.

I did a few videos of the Corsa set up. Search the forums or head over to YouTube.


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