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  #37  
Old 04-26-2016, 10:55 AM
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Re: Why did Jeep go back to single exhaust?

Yeah its interesting to see what Jeep has done with the different models throughout the years. I remember with the WJ and WK that a Limited was a pretty high end model and had almost 90% of the features of the Overland. Seems like these days a Limited is actually fairly base.
As far as someone stating that the single exhaust may be a way to get some to a higher model...ehhh, maybe there are a few people like us that are more into cars, but to the average person they would never even notice if the car didn't even have any exhaust tip back there. Infact some manufacturers are going that route to have no exposed pipes whatsoever. I have a feeling that will be more and more common as well as we get closer to more electric vehicles. Some day people will view anything to do with a gas engine as old dirty technology. Another reason why Jeep eventually left the Hemi badge off its V8 models. People see that and relate it to old gas guzzling times.

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  #38  
Old 04-26-2016, 11:01 AM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by Paullee01 View Post
...Also the Limited did away with the 10 speaker stereo system. ...
Optional, and also in the Lux II package if I recall correctly.

I'm still getting a Limited because I hate the stitching and wood steering wheel so much on the Overland. I spend a lot more time inside my vehicle than I do staring at the back end of it.
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  #39  
Old 04-26-2016, 03:07 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by crombenevolant View Post
Or perhaps how Jeep meets CAFE standards? Looking at the 2018 stuff where it looks like no v8 will be offered, and a 4 cyl base kind of goes along with that.
For me, a V6 is too small for a GC, not that it's completely overmatched the way an L4 would be.
If they go 4 cyl in a GC, I'm out.
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  #40  
Old 04-26-2016, 03:42 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by Ar-Pharazon View Post
For me, a V6 is too small for a GC, not that it's completely overmatched the way an L4 would be.
If they go 4 cyl in a GC, I'm out.
I hate to be the bearer of bad news, but from the 2019 GC thread it looks like the "WL" will have a 4cyl base, v6, v6 diesel, and perhaps a supercharged v6 option. There is even talk of the SRT being a twin turbo v6....
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  #41  
Old 04-26-2016, 07:12 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by crombenevolant View Post
I hate to be the bearer of bad news, but from the 2019 GC thread it looks like the "WL" will have a 4cyl base, v6, v6 diesel, and perhaps a supercharged v6 option. There is even talk of the SRT being a twin turbo v6....
I guess I better get to saving and get an SRT or a Hellcat GC. Otherwise it'll be time for a brand change.
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  #42  
Old 04-26-2016, 07:27 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by crombenevolant View Post
I hate to be the bearer of bad news, but from the 2019 GC thread it looks like the "WL" will have a 4cyl base, v6, v6 diesel, and perhaps a supercharged v6 option. There is even talk of the SRT being a twin turbo v6....
Isn't that just speculation at this point?
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  #43  
Old 04-26-2016, 07:31 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by Whitie View Post
Isn't that just speculation at this point?

Until it is a press release it will always be speculation, but it is coming from the guys who seem to work within the company and know very specific details (like engine code names, and transmission pairings). I wouldn't necessarily bet against it.
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  #44  
Old 04-26-2016, 07:38 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by JTS97Z28 View Post
Where does it go to one pipe? Except for the suitcase which btw no clue what the pipes do inside there, it is for sure two pipes front all the way to the back. And also for what it's worth exhaust systems can be true dual but still have an H pipe or an x pipe.
It goes into one muffler, which is a restriction... doesn't matter what's ahead of or behind it.

An H or X-pipe has no restriction and is used to balance the exhaust pulses from both cylinder banks. They've been in use since the days of the true dual exhaust.
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  #45  
Old 04-26-2016, 07:57 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by MDBones View Post
It goes into one muffler, which is a restriction... doesn't matter what's ahead of or behind it.
Ok so maybe I'm just confusing parts here. So looking under my 2015 V6 High Altitude it has two separate pipes coming off the engine that go back into the "suitcase". Now is this suitcase considered the muffler or is this a resonator? On the rear side of the suitcase its once again two pipes that go straight back and eventually split off into its own muffler (or resonator) near the rear bumper and into the exhaust tips.
So are you saying because of the center suitcase (muffler or resonator) is why no Grand Cherokee model (V6, V8, and SRT) can be considered to be "true dual" exhaust? For the most part the exhaust systems on all three models look almost identical...maybe the SRT pipes are a tad larger, but besides that I think the V6 and V8 are interchangeable obviously with exception to the single outlet exhaust on base model V6s.
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  #46  
Old 04-26-2016, 08:32 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by JTS97Z28 View Post
Ok so maybe I'm just confusing parts here. So looking under my 2015 V6 High Altitude it has two separate pipes coming off the engine that go back into the "suitcase". Now is this suitcase considered the muffler or is this a resonator? On the rear side of the suitcase its once again two pipes that go straight back and eventually split off into its own muffler (or resonator) near the rear bumper and into the exhaust tips.
So are you saying because of the center suitcase (muffler or resonator) is why no Grand Cherokee model (V6, V8, and SRT) can be considered to be "true dual" exhaust? For the most part the exhaust systems on all three models look almost identical...maybe the SRT pipes are a tad larger, but besides that I think the V6 and V8 are interchangeable obviously with exception to the single outlet exhaust on base model V6s.
I'm a little old school on this. When I talk of a true dual exhaust, too me this is two completely separate exhaust systems... one for each cylinder bank. The way cars used to come from the factory back in the day.

On the GC, I assume the suitcase acts as a muffler as the system has separate resonators before the exhaust tips. If the suitcase has any type of baffle, that's considered a restriction and you're bringing both cylinder banks into this. Like two pipes into one muffler. If the suitcase keeps the exhaust flow from both cylinder banks separated as it passes through then one would have an argument for a true dual exhaust.

Anyone want to volunteer cutting their suitcase open to look?
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  #47  
Old 04-26-2016, 08:57 PM
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Quote:
Originally Posted by Tarponbeach View Post
At least owners that have the single exhaust don't have to worry about two exhaust tips being aligned the same.
one first things I did when I got my summit straighten those tips. Couldn't do that on my overland
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  #48  
Old 04-26-2016, 09:55 PM
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Re: Why did Jeep go back to single exhaust?

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Originally Posted by Paradiso View Post
one first things I did when I got my summit straighten those tips. Couldn't do that on my overland
Yeah it's nice, the Summit/High Altitude/SRT have easily adjustable tips with the turn of one bolt. Perfectly aligned exhaust tips are a pet peeve of mine so I adjusted mine first day I brought it home. It's obviously not a pet peeve of anyone's at the Jeep factory lol.

---------- Post added at 08:55 PM ---------- Previous post was at 08:52 PM ----------

Quote:
Originally Posted by MDBones View Post
I'm a little old school on this. When I talk of a true dual exhaust, too me this is two completely separate exhaust systems... one for each cylinder bank. The way cars used to come from the factory back in the day.

On the GC, I assume the suitcase acts as a muffler as the system has separate resonators before the exhaust tips. If the suitcase has any type of baffle, that's considered a restriction and you're bringing both cylinder banks into this. Like two pipes into one muffler. If the suitcase keeps the exhaust flow from both cylinder banks separated as it passes through then one would have an argument for a true dual exhaust.

Anyone want to volunteer cutting their suitcase open to look?
Ok I see what you're saying now. Well it may not be full out true dual, but after looking the exhaust over I think it's safe to say the Grand Cherokee has a pretty nice exhaust setup especially compared to most others that are single pipe that simply Y off into two mufflers in the back...if even that.
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