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Unread 02-11-2015, 06:28 PM   #1
mountainbike63
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Exhaust oppinions

Ok. So I am sure that this has already been discussed somewhere. If so, please direct me and I am sorry for wasting your time.

If not... I have a 2011 JKU Sahara and I am pondering an exhaust upgrade. What can anyone tell me about Dynomax Super Turbo vs Dynomax Ultra Flow? If you have another option, please feel free. Please keep in mind that I would like some sound, but not enough to upset the wife while driving...
Thank you in advance!!

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Unread 02-11-2015, 09:37 PM   #2
HappyTrails
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No problem, ask away!

I recently was going through the same dilemma as you. Settled on the Flowmaster 40. But am reconsidering my choice now. The Flowmaster 40 is kinda loud for my tastes.

But here is one that is 9 pages of info for you to peruse.
http://www.jeepforum.com/forum/f96/j...lives-1091317/
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Unread 02-11-2015, 09:40 PM   #3
Moezer
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Quote:
Originally Posted by mountainbike63 View Post
Ok. So I am sure that this has already been discussed somewhere. If so, please direct me and I am sorry for wasting your time.

If not... I have a 2011 JKU Sahara and I am pondering an exhaust upgrade. What can anyone tell me about Dynomax Super Turbo vs Dynomax Ultra Flow? If you have another option, please feel free. Please keep in mind that I would like some sound, but not enough to upset the wife while driving...
Thank you in advance!!
Not sure about the ones ur asked but my buddy is running a duynomax performance exhaust just where the resonator is and his sounds good a bit loud but still nice.

I just installed a flow master 44 where my stock muffler is and I kept the resonator I love how it sounds, on start up it has a mean growl then when idling u only hear a small rumble, first gear to second gear it gargles a bit at higher rpms at hiway speds it has no droning at all. Today I drove the jeep a lot coming and going the amount of people that sped by me after I take off from a light was funny as heck
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Unread 02-11-2015, 09:44 PM   #4
Moezer
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forumrunner_20150211_214403.jpg

Here's how mine looks I made sure to tuck it as high as I could
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Unread 02-11-2015, 09:48 PM   #5
JIMBOX
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WOW, you guys must have virgin ears

I've gone thru Flowmaster 50/ 40/super 40 and my final favorite is Flowmaster series 10-

It isn't loud--just deep and mellow/w a rap-as long as you leave all cats installed

I've even got the "10" on my Ranger 4.0 liter-DYNOMITE-

The closest v8 sounding I've had, for a v6 !

Whatever

JIMBO
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Unread 02-11-2015, 09:52 PM   #6
Moezer
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Quote:
Originally Posted by JIMBOX View Post
WOW, you guys must have virgin ears

I've gone thru Flowmaster 50/ 40/super 40 and my final favorite is Flowmaster series 10-

It isn't loud--just deep and mellow/w a rap-as long as you leave all cats installed

I've even got the "10" on my Ranger 4.0 liter-DYNOMITE-

The closest v8 sounding I've had, for a v6 !

Whatever

JIMBO
Lol my 44 sounds like a Lambo hahaha
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Unread 02-12-2015, 03:23 PM   #7
Dynomax_Exhaust
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Super Turbo is a bit louder than stock.
Ultra Flo Welded is about a 4-5 out of 10.
If you are looking for the "happy wife, happy life" look to the VT muffler or system.

We also have a killer guarantee, if you aren't happy in the first 90 days return it for a refund.


Quote:
Originally Posted by mountainbike63 View Post
Ok. So I am sure that this has already been discussed somewhere. If so, please direct me and I am sorry for wasting your time.

If not... I have a 2011 JKU Sahara and I am pondering an exhaust upgrade. What can anyone tell me about Dynomax Super Turbo vs Dynomax Ultra Flow? If you have another option, please feel free. Please keep in mind that I would like some sound, but not enough to upset the wife while driving...
Thank you in advance!!
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Unread 02-12-2015, 05:26 PM   #8
JohnRodriguez
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I use super turbo in my JK. its a 3" model. if you look by the transfer case you can see a flowmaster 2.5" to 3" y pipe, then a magna flow 3" in/out with 4" diameter body, then afe 3" pipe to the super turbo. This is how I got the drone out when my LS motor goes to AFM mode.
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Unread 02-12-2015, 06:59 PM   #9
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Super44 , 2.5" in and out mid body with custom tailpipe ... It's been on for 3 years and still love the sound.
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Unread 02-13-2015, 08:39 AM   #10
Dynomax_Exhaust
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Any sound clips of this bad boy?

Quote:
Originally Posted by JohnRodriguez View Post
I use super turbo in my JK. its a 3" model. if you look by the transfer case you can see a flowmaster 2.5" to 3" y pipe, then a magna flow 3" in/out with 4" diameter body, then afe 3" pipe to the super turbo. This is how I got the drone out when my LS motor goes to AFM mode.
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Unread 06-03-2015, 12:38 PM   #11
shull360CJ7
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Didn't want to start a new thread so....

Yesterday I bought a Flowmaster Super 44 and cut out my stock muffler at the axle and used a 90 elbow and mounted the new one relatively close to the stock location, just angled a little. I then cut the tail pipe off the stock muffler and added it to the end of the Flowmaster, which has it exiting almost exactly where it used to. It's is clamped up tight and hung from the passenger rear corner hanger with a universal L bracket and rubber strap kit. I had planned to have everything welded up once I was happy with the location.

It drones so bad in the cab I cannot stand it!!!! Does anyone else have this problem? I think it's a Flowmaster thing but I totally regret hacking off the stock muffler now! Imagine what the wife will say if i have to find and buy a stock take-off!

Any advice about fixing the drone, if possible, would be appreciated

Brian
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Unread 06-03-2015, 12:44 PM   #12
HappyTrails
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Welcome aboard! Question: Is this on a TJ or JK? Probably doesn't matter...

I have the Flowmaster 40, in the stock JK location.
Yes, it IS loud/drones. Sometimes I like the noise, other times, I dream of a Flowmaster 70.

I know some people have placed another muffler upstream, near the Evap Canister, and that helped with the noise.

But personally, I don't want more weight/something else to get banged up. So, I think I'll get the Flowmaster 70 installed for "peace" of mind.
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Unread 06-03-2015, 12:51 PM   #13
shull360CJ7
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It's an '07JK 2dr. I guess I never updated my profile from ditching the TJ, which I regret every day!
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Unread 06-03-2015, 12:57 PM   #14
HappyTrails
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Quote:
Originally Posted by shull360CJ7 View Post
It's an '07JK 2dr. I guess I never updated my profile from ditching the TJ, which I regret every day!
LOL, newer doesn't necessarily mean better. We've all made that trial & error mistake at some point. It's all good.

Some people have gone the LOUDER IS BETTER!!! route and like it (*cough* JIMBOX *cough*).

Maybe a resonator installed near the evap canister (mid-body, upstream of the muffler) can help.

If is it not tolerable, scrap the FM Super 40, and look at the other options (Flowmaster 50, 60, 70), or an entirely different brand (i.e. Dynamax). If you don't like the drone, save yourself the misery, bite the bullet$, and swap the muffler for something else. Should be a relatively easy swap.
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Unread 06-03-2015, 01:40 PM   #15
Moezer
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Quote:
Originally Posted by shull360CJ7 View Post
Didn't want to start a new thread so....

Yesterday I bought a Flowmaster Super 44 and cut out my stock muffler at the axle and used a 90 elbow and mounted the new one relatively close to the stock location, just angled a little. I then cut the tail pipe off the stock muffler and added it to the end of the Flowmaster, which has it exiting almost exactly where it used to. It's is clamped up tight and hung from the passenger rear corner hanger with a universal L bracket and rubber strap kit. I had planned to have everything welded up once I was happy with the location.

It drones so bad in the cab I cannot stand it!!!! Does anyone else have this problem? I think it's a Flowmaster thing but I totally regret hacking off the stock muffler now! Imagine what the wife will say if i have to find and buy a stock take-off!

Any advice about fixing the drone, if possible, would be appreciated

Brian
perhaps since its all clamped up and not wielded its not 100% sealed? my 44 doesn't drone at all and when idling sometimes I think the jeeps off and I come to start it again XD
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