Flowmaster Muffler? - Jeep Commander Forums: Jeep Commander Forum
Exhaust Questions or advice about exhaust systems? This is the place...

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post #1 of 18 (permalink) Old 06-20-2014, 08:27 PM Thread Starter
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Flowmaster Muffler?

I have a 2007 Jeep Commander Limited 5.7L Hemi bone stock.. I hate how quiet it is... So i decided to look at flowmaster mufflers.. which one should i get and how do i know which one fits it?
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post #2 of 18 (permalink) Old 06-20-2014, 09:20 PM
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Flowmaster #42541, 40 series, 2 chamber muffler installed in place of the monster big factory muffler. Might have lost 50 pound in the trade. I also had them remove the resonator at the rear and put on a straight pipe with a chrome extension on it. Now it sounds like a Hemi.
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2007 Jeep Green Limited 4.7 Flex Fuel, RR 2.5" 4 inch Superlift coils on rear, 1.5" Spacers, Bridgestone 265/70/17, K&N CAI, Flowmaster, Diamond Plate Locking Trunk, Blue Ox Baseplate w/D-rings, "Get Lost 4X4" Front Bumper, T-Max 9000 winch, "Get Lost rear tire carrier, 30 gal second gas tank.
Second 2007 Jeep Green Limited Leather HEMI QDII VES Uconnect Flowmaster OEM Skids Tow Package

Maybe the two will meet up soon edit: they did , I now have 2,now gave 1 away...and got it back again.
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post #3 of 18 (permalink) Old 06-21-2014, 11:55 AM
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The Flowmaster 50 series SUV muffler is also a good choice if you don't want it as loud as the 40 series but still want a good sounding/mean exhaust. I have it on my 4.7 liter V8 Commander and it sounds amazing! BTW you need a 2.5 inch with offset inlet and 2.5 inch center outlet.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete

Last edited by 07JeepXK; 06-21-2014 at 11:58 AM.
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post #4 of 18 (permalink) Old 06-21-2014, 10:47 PM
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I installed the super 44 on my 4.7 and couldn't be happier. Sounds great. Here's a YouTube clip of mine if your interested.
http://youtu.be/8Ut6aIPSsBI

2008 Commander, 4.7 QTII
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post #5 of 18 (permalink) Old 08-23-2014, 03:43 PM
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Any of you get drone from the Flowmasters?

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Purchased Aug 2014
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post #6 of 18 (permalink) Old 10-29-2014, 09:01 PM
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Hey i am really interested in the flow master super 44... only question. Sadly I've only got the 3.6L V6 in there, would it sound anywhere near as good as this?
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post #7 of 18 (permalink) Old 10-30-2014, 05:44 AM
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I'm sure it will sound close. At the very least it should make it sound like a bad ass V-8! There should be clips out there of the super 44 on a v-6 to give you an idea.

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post #8 of 18 (permalink) Old 10-30-2014, 11:33 AM
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Quote:
Originally Posted by parker1 View Post
Hey i am really interested in the flow master super 44... only question. Sadly I've only got the 3.6L V6 in there, would it sound anywhere near as good as this?
The 3.7l would sound more raspy and less deep than the v8's in general.
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post #9 of 18 (permalink) Old 10-30-2014, 09:36 PM
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what do y'all think would be the best muffler to get the deepest sound without being obnoxious
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post #10 of 18 (permalink) Old 11-01-2014, 11:19 AM
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I have the 3.7L as well. The main aftermarket mufflers being ran on these engines seemed to be the Flowmaster Super 44 and the Thrush Welded muffler. Through comparing YouTube videos, its easy to see how incredibly similar they sound. Since the Thrush muffler is half the price, at just 35$ on Amazon, I figured there wasn't much to lose by giving it a try, if not just to get the huge stock muffler outta there. Funny enough, I recently had it in the shop, and the manager asked what engine mods I had done, due to the new sound. All in all, I'm very happy with the Thrush muffler, as it gives the 3.7L just enough noise to suit the large presence of the XK.

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