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  #37  
Old 01-15-2016, 08:07 PM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

Quote:
Originally Posted by WK2 Max Steel View Post
They definitely do tunes for the WK2 diesel as I had mine done there. If you look closely, you will find it.
HPF tune the Jeep on a dyno. It's quite a lengthy process
The tune cost me $990.00. Very happy with the performance and economy

Cheers Craig
Thanks Craig. Found it $1195. Have contacted them. Trouble is I'm on the central coast, NSW, so maybe have to skip the dyno.
We'll see what they say.

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  #38  
Old 01-16-2016, 12:46 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

Had a look under mine today....... has a CAT as far as I can see. Ugly thing...... hangs slightly lower than anything else under the car!
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  #39  
Old 01-16-2016, 06:52 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

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Originally Posted by lynrick View Post
Anyone know if this 3 inch exhaust will.....

A: Improve turbo lag
B: Improve performance
C: Be overly noisy (since rear mufflers are done away with)
D: Be a problem fitting to a 2014 Aussie Overland

It's a BANKS MONSTER EXHAUST 2014-15 GRAND CHEROKEE ECO-DIESEL - CHROME TIP which I'm looking at on ebay.

Thanks
A: Yes
B: Slightly
C: No
D: No

You could get a exhaust shop cut the 2 1/4 off where it goes from 3 inch and have a 3inch dual made up probably alot cheaper or speak to Matt at Horse Power Factory they now have a 3 inch exhaust.

I would put my money into a tune kw per $ is money better spent.

Cheers
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  #40  
Old 01-16-2016, 07:20 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

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Originally Posted by chocco View Post
A: Yes
B: Slightly
C: No
D: No

You could get a exhaust shop cut the 2 1/4 off where it goes from 3 inch and have a 3inch dual made up probably alot cheaper or speak to Matt at Horse Power Factory they now have a 3 inch exhaust.

I would put my money into a tune kw per $ is money better spent.

Cheers
Thanks Chocco, I'll take that all onboard.
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  #41  
Old 01-18-2016, 12:20 PM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

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Originally Posted by lynrick View Post
Just taking off from idle at lights there's a slight delay, then it rockets! When I'm on the move it's not too bad when I give it a bootful. My first turbo car and being used to smooth acceleration, maybe I'm too pedantic!
There is lag. I turned off the HDC in the EVIC settings and a lot of lag was reduced. If you already did that, then this is the property of the stock tuned single turbo.

The Banks exhaust is prolly the best priced for the bang, but I am still apprehensive about it and others that do not provide any dyno curves. I called Banks and asked for dyno curves and they were upfront and said they didn't exist but they certainly did make airflow measurments which are indicative. Indicative or not, a 4WD dyno pull isn't hard to get if you want it.
I removed my mufflers and noticed more top end performance in upper RPM's but nothing down low (linky). My thoughts are a good tune is what these motors need; the CAI and exhausts make a little more power but tuning is where the real gains can be achieved.
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  #42  
Old 01-18-2016, 03:35 PM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

That's weird, that the HDC would effect the lag. WDF ??? But........
I'll give it a go in the meantime.

Definately getting a tune first. If it cures the lag and I get an increase in power, I will be happy. After that, who knows.

What did you replace your mufflers with?
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  #43  
Old 01-19-2016, 02:10 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

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Originally Posted by midsouthduckhunter View Post
There is lag. I turned off the HDC in the EVIC settings and a lot of lag was reduced. If you already did that, then this is the property of the stock tuned single turbo.
Excuse my ignorance but what is HDC? Hill Descent Control?
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  #44  
Old 01-19-2016, 02:52 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

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Originally Posted by GCDingo View Post
Excuse my ignorance but what is HDC? Hill Descent Control?
Yep.
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  #45  
Old 01-19-2016, 04:14 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

I don't understand why you would have HDC engaged unless you were off road and driving slow. I also don't understand how is makes the turbo laggy. It's speed controlled depending on what gear you are in from my understanding. I haven't used it yet as I haven't been offroad in the 1200km I have done. But on all the other vehicles I have had is it for what it is called. To control your speed on decent to stop the car running away down hill.

Variable vane turbos close the vanes on the turbo inlet at slow speed to build boost quicker then open as boost and load increases. Hence reducing lag not like turbos of the days gone by.
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  #46  
Old 01-19-2016, 05:46 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

Read "midsouthduckhunter" post.
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  #47  
Old 01-19-2016, 06:28 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

That's what my questions are directed at. That post. It doesn't make sense to me so hoping can be explained.
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  #48  
Old 01-19-2016, 09:11 AM
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Re: WK2 3.0 litre eco-diesel 3 inch exhaust

Can't remember how/why. I bet if you search the threads for HDC you find it. All I know is turning it off reduced the lag.

These forums are smack ass full of accurate info. Take a moment to search the forums when some potatoe-head like me says something that sounds incredulous. Lol, most of the time it's baloney��, but a lot,of times you'll find the poster is just paying it forward.
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