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post #21 of 32 (permalink) Old 04-21-2017, 09:08 PM
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Quote:
Originally Posted by jazzrome View Post
Let me know I am looking at the biting the bullet on the MagnaFlow system first and just get a K&N Air filter until I have the extra cash to do the CIF
Well I installed the K&N CAI yesterday on my 2.4. Definitely a difference in throttle response, in Sport mode it really jumps when hitting the gas. The sound is little loud at times, need to see how I like that part of it. I need to have wife drive and listen to from outside. I don't want to sound like a High School kid with a rice burner thinking he's got a hot rod. Install was really easy, I need to take a road trip to check mileage difference, only been city driving. I will update after a week or so.
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post #22 of 32 (permalink) Old 04-21-2017, 11:48 PM
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I've had the aFe CAI on my V6 for about 14 months. I like the grunts it makes when I need to jam the gas, but rarely do I need to do this. Usually it's not bad at all in regular use but I do get that extra bit of power when needed. I haven't seen it effect my mpg either. At least on the highway. I've been able to hit that magic 28 a few times when I haven't had headwinds or crosswinds.

I was lucky enough to find one here in the classifieds. I looked at the K&N too. I liked that aFe basically used the stick airbox with an open top.

Whether actually measurable on dynos or not you can feel a change in power. Good product. I use the dry element with 2nd stage cover as well.


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post #23 of 32 (permalink) Old 05-07-2017, 12:01 AM
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@scottb How about driving around on auto? More importantly on Auto and changing lanes on the freeway and accelerating to avoid getting rear ended?


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post #24 of 32 (permalink) Old 05-07-2017, 09:37 AM
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Originally Posted by Len1304 View Post
My understanding is that the KN doesn't go all the way to the intake and some factory parts are reused. The AFE one doesn't and has a smooth tubing system all the way to the intake. I could be calling it something wrong. It's a piece of tube the KN kit doesn't come with but the AFE does.
See attached files for comparison. You can decide for yourself. I went with K&N based on cost since the performance was the same.
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Last edited by Snowhawk2015; 06-05-2017 at 02:05 PM.
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post #25 of 32 (permalink) Old 05-07-2017, 11:12 AM
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Next project is the opposite end of the intake. Maybe this should go in a departure angle or rear bumper or exhaust thread ?
1. Remove OE muffler and piping back to catalytic converter.
2. Remove rear fascia below hitch.
3. Install new rear bumper.
4. Install MagnaFlow Exhaust #10416 after catalytic converter with creative piping (maybe up and over instead of down and under cross member)
5. Reuse existing hanger hardware
6. Maybe add skid plate between gas tanks and on rear PTU.

End result is a clean rear end with a performance exhaust and maybe a little growl. See photos.
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Last edited by Snowhawk2015; 05-07-2017 at 12:41 PM. Reason: Added photos
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post #26 of 32 (permalink) Old 05-07-2017, 12:24 PM
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Quote:
Originally Posted by Snowhawk2015 View Post
Next project is the opposite end of the intake. Maybe this should go in a departure angle or rear bumper or exhaust thread ?

1. Remove OE muffler and piping back to catalytic converter.

2. Remove rear fascia below hitch.

3. Install new rear bumper.

4. Install MagnaFlow Exhaust #10416 after catalytic converter with creative piping (maybe up and over instead of down and under cross member)

5. Reuse existing hanger hardware

6. Maybe add skid plate between gas tanks and on rear PTU.



End result is a clean rear end with a performance exhaust and maybe a little growl. See photos.


That sounds pretty expensive but I like it. I would do a slight lift before that, but that's me. The TH already sits at a decent enough height for me though so maybe this would be a fun project. I don't like the stock muffler on the V6 TH. It's huge.

How much welding is involved?

From friends with different vehicles, they sure love their Magnaflow exhausts. They do sound nice. Of course since not Track Hawk exists yet putting in a better intake and exhaust are about the only real options for any performance tweaks. They probably don't add much but allowing the V6 to breath better at both ends is nice, though as with motorcycles the post catalytic options are more about the sounds and the looks.

Too bad you can't put headers on the engine. In states where emissions aren't checked annually that would make for a lot of improvement but FCA made the V6 so headers an not be installed.

Because of the high snow/salt Winters this isn't an option for me.

With the Compass TH out and looking as something I wouldn't buy, but I could see others buying, these are things they could do to improve the I-4s performance. Their 0-60 is 9.4 seconds. Horrible for entering freeways.

Keep us informed. Let us see many pictures.


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post #27 of 32 (permalink) Old 05-07-2017, 07:39 PM
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Originally Posted by Champagne InHand View Post
That sounds pretty expensive but I like it. I would do a slight lift before that, but that's me. The TH already sits at a decent enough height for me though so maybe this would be a fun project. I don't like the stock muffler on the V6 TH. It's huge.

How much welding is involved?
The rear bumper design is on the order of $1000 or less (cheaper than front bumper). You can recoup some of the cost by selling your hitch and tow hook to a Limited owner.

I have the Aussie lift, but depending on the net bumper weight increase, I'm considering the stiffer springs of the Dobinson lift. See how one thing leads to another? Buy, drive, mod, drive, mod, etc.

I'm not a welder, but I know a genius at a muffler shop. Some but not much, depends on the piping route.

The front bumper project is ahead of this one. How many mods is enough?

Happy trails!
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Last edited by Snowhawk2015; 05-08-2017 at 06:55 AM. Reason: Cost update and spelling (must have been thinking beer)
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post #28 of 32 (permalink) Old 05-07-2017, 08:43 PM
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@scottb How about driving around on auto? More importantly on Auto and changing lanes on the freeway and accelerating to avoid getting rear ended?


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It is much better, I can really notice when going 30-40 and need to accelerate quickly, it actually jumps now where before it dogged for a few seconds then caught up. Its still a 3500lb Jeep being pulled by a 2.4 but overall I am happy.
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Xenon Depot 4300k HID Upgrade
LED Fog and Interior Lights Upgraded
Upgraded to 8.4AN
OEM Hitch and Bezel
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post #29 of 32 (permalink) Old 05-27-2017, 12:41 PM
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So I see a few peeps with one or the other aFe or KN. Has anyone come to find one better that other? I'm looking to do a CAI on my 2.4L but didn't know what would be best option based on previous posts...Also didn't see the aFe part listed for 2.4L.

Can anyone clear me up best option for 2.4L?

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post #30 of 32 (permalink) Old 06-05-2017, 04:14 PM
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I just put a K&N in my 2.4. It's pretty loud above 4 thousand rpms. Not sure if I like it. Gonna check to make sure it's all in correctly but if that's how it is I'm surprised it's that loud.
Any advice about noise level above 4 rpms?

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