5.7 Hemi Stock exhaust pipe size? - Jeep Commander Forums: Jeep Commander Forum
Exhaust Questions or advice about exhaust systems? This is the place...

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post #1 of 22 (permalink) Old 02-09-2007, 08:38 PM Thread Starter
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5.7 Hemi Stock exhaust pipe size?

Can anyone confirm the stock exhaust pipe size on JC 5.7 Hemi. It looks like it may be 2.5" or 3". I'm about to purchase a Magnaflow Muffler on e-bay and I've been told two different size by two different people.

Thanks

06 Commander Limited - Hemi, K&N Cold Air Intake, Magnaflow Muffler, NGK Platinum spark plugs, 245/65-17 Bridgestone Revo's

08 Passat 2.0T
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post #2 of 22 (permalink) Old 02-09-2007, 08:57 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

I have a magnaflow thatis brand new in the box if you do not want to deal with ebay. I will sell it for 500 and then shipping. if interested call me 9144949546 or IM me at MGwarrior350.
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post #3 of 22 (permalink) Old 02-09-2007, 09:03 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

The stock pipe is for Hemi 4x4 is 2 5/8 I.D., I measured it straight off mine, still laying on the garage floor

2006 Commander Limited, 5.7 HEMI 4X4, Dark Khaki, Quadra Drive II, Class IV Tow. Mods: Superlift 4" Lift, 4" Rear, 5.25" Front w/ Custom Spacer, AEV EGR Module, Goodyear Duratrac 285/70-17, Spidertrax 1.5" Spacers, AEM Brute Force Intake, Magnaflow Exhaust, Jetchip Stage 2, , 4XGuard Front and Belly Skidplating, Rocky Road Super-Sliders, Mopar Brush Guard/Tail Light Guards, KC Slimlite Titanium Driving Lights
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post #4 of 22 (permalink) Old 02-09-2007, 10:54 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

Quote:
Originally Posted by MGwarrior350
I have a magnaflow thatis brand new in the box if you do not want to deal with ebay. I will sell it for 500 and then shipping. if interested call me 9144949546 or IM me at MGwarrior350.
$500 for a Magnaflow muffler.
WOW!

2006 Commander Limited (HIS)- Bright Silver/Saddle Brown seats, 5.7 HEMI, QDII
2005 Grand Cherokee Limited (HERS)- Bright Silver, 5.7 HEMI, QDII, Off Road Group, K & N Drop in
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post #5 of 22 (permalink) Old 02-10-2007, 11:18 AM
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Re: 5.7 Hemi Stock exhaust pipe size?

I think we have one member here who is talking about a muffler only, and another who is talking about the whole cat-back system. Just think you should clarify.

2006 Commander Limited, 5.7 HEMI 4X4, Dark Khaki, Quadra Drive II, Class IV Tow. Mods: Superlift 4" Lift, 4" Rear, 5.25" Front w/ Custom Spacer, AEV EGR Module, Goodyear Duratrac 285/70-17, Spidertrax 1.5" Spacers, AEM Brute Force Intake, Magnaflow Exhaust, Jetchip Stage 2, , 4XGuard Front and Belly Skidplating, Rocky Road Super-Sliders, Mopar Brush Guard/Tail Light Guards, KC Slimlite Titanium Driving Lights
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post #6 of 22 (permalink) Old 02-10-2007, 02:43 PM Thread Starter
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Re: 5.7 Hemi Stock exhaust pipe size?

I"m putting on the muffler only and I'm not sure of the diameter of the in/out pipe to buy. I'm looking at the 5" x 11" Oval Offset/Center Satin Stainless Steel Universal Magnaflow Muffler for SUV's, part number 12586. If anyone has put this on there JC, please let me know how you like it.

TexasHemi

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post #7 of 22 (permalink) Old 02-10-2007, 05:33 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

$150 for a polished stainless steel Magnaflow. Around $400 for the whole catback system is a reasonable price.
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post #8 of 22 (permalink) Old 02-10-2007, 08:46 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

there is a thread discussing magnaflow muffler only swap...
https://www.jeepcommander.com/forums/...ead.php?t=1456
I believe magnaflow P/N 12259 is what you should be looking for.
lowest price out there for the whole catback is more like $500
check this out http://www.magnaflow.com/05news/news/mffvscat.asp some info on pros of whole system

2006 Commander Limited, 5.7 HEMI 4X4, Dark Khaki, Quadra Drive II, Class IV Tow. Mods: Superlift 4" Lift, 4" Rear, 5.25" Front w/ Custom Spacer, AEV EGR Module, Goodyear Duratrac 285/70-17, Spidertrax 1.5" Spacers, AEM Brute Force Intake, Magnaflow Exhaust, Jetchip Stage 2, , 4XGuard Front and Belly Skidplating, Rocky Road Super-Sliders, Mopar Brush Guard/Tail Light Guards, KC Slimlite Titanium Driving Lights

Last edited by HEMI; 02-10-2007 at 08:50 PM.
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post #9 of 22 (permalink) Old 02-11-2007, 06:02 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

I just ordered the magnaflow catback system from performance peddler. Product ID MAG16665. Shipped the total was $410.00. I spoke to them and is the correct one for the commander.

Tim

2007 Black
5.7 Hemi
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post #10 of 22 (permalink) Old 02-12-2007, 05:39 PM
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Re: 5.7 Hemi Stock exhaust pipe size?

I am shopping around for a cat back system. I do have to chuckle at the "gains" in horsepower they claim... I like the look and sound but for the dollars you spend the horsepower gains are rather small. I will buy a system none the less... Cause thats what us guys do after all...
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