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GMMG or Magnaflow

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Old 08-05-2009, 06:35 PM
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My car has a nice crisp deep sound from Idle - WOT... Mine is PERFECT!!!
Old 08-05-2009, 06:51 PM
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Originally Posted by 223HAWK
but on a T/A it will look like **** with the rear bumper...
Mount fake tips. Itll be way easier to keep them clean too.
Old 08-05-2009, 08:22 PM
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Originally Posted by madmike9396
Do not put magna flow on a ls1 it makes it really quiet for some reason my friend has a 02 ss with it and it isnt loud at all good tone but the magnaflow sounds better on a lt1
lol you people must be deaf. I know it's not the loudest setup but my car is plenty loud at idle and screams at WOT with LT's, Magnaflow, custom Y, and a small cam 224.
Old 08-05-2009, 10:30 PM
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Originally Posted by 223HAWK
Iv always wanted GMMG but....with out cats I think it will sound like ****...UGOTWS6SD your car sounds great btw but again you have cats..They change the sound soo much..
Alot of what I read when I was deciding on headers and cam was that the GMMG does get raspy without cats. The vids kinda don't do it justice b/c it is really loud esp when u get on it. The few times I do drive it, I usually get on it on a small straightaway thats about a mile from my house, and my dad said he can hear it and tell when I shift when he's outside. And running with no cats is only gonna make it louder. I also liked how the GMMG tips fill in the spaces on the TA's. Everyone that's heard it in person likes how deep it sounds. I wanted to run cats anyway just b/c of state inspections and incase I ever got pulled over since it is loud and draws attention.
Old 08-05-2009, 11:04 PM
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Originally Posted by Detoxx03
Do the powerflo conversion
+1 although, my powerflo is on a stock t/a, but it's not raspy like LM's and still very deep.
Old 08-06-2009, 02:55 PM
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Stirring the pot

Old 08-06-2009, 06:28 PM
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Damn that does look good dude..So you think if I put the extra power stick after the y it will sound good? In your videos it sounds awsome..
Old 08-06-2009, 06:45 PM
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Originally Posted by 223HAWK
Damn that does look good dude..So you think if I put the extra power stick after the y it will sound good? In your videos it sounds awsome..
Here is my set up.. The powerstick is what killed 99% of the rasp





Old 08-06-2009, 07:57 PM
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Red face magnaflow

arh catted magnaflo with dmh , absolutely no rasp at any speed
Old 08-06-2009, 08:55 PM
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Torchd, is your car lowered or are you at stock height? Looks like you have great ground clearance.
Old 08-06-2009, 09:06 PM
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Originally Posted by Judge Smales
Torchd, is your car lowered or are you at stock height? Looks like you have great ground clearance.
I am at stock ride height
Old 08-06-2009, 11:55 PM
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I'm another biased fan of MagnaFlow. Mods are in signature. The video gives somewhat of an idea of how it sounds at idle... I'll have to get a new video of it in action. Keep in mind this is on the stock tune. Car is still un-tuned so I don't want to beat on it too much... especially for a video. By the way, I love how your car sounds "UGOTWS6D". I think the cats actually make the sound better.

http://www.youtube.com/watch?v=KdbJxjFbIyQ
Old 08-07-2009, 12:14 AM
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Originally Posted by TXZ28LS1
i would definitely save the cash and get the GMMG. the magnaflow is a nice popular catback, but once you install it, its pretty quiet. ive been thinking of switching from magnaflow to GMMG also.
i agree 100%, i have also been thinking of switching to a gmmg
Old 08-07-2009, 08:47 AM
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Originally Posted by devonsZ28
i agree 100%, i have also been thinking of switching to a gmmg
true that man!!! i am happy with magnaflow. sounds great and all. but its just still pretty quiet. so im thinking bout making the switch.
Old 08-07-2009, 09:43 AM
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If you have the money, definitely go with GMMG.

That being said, Magnaflow still makes a good system. That is what I run, with a DMH cutout:

Old 08-07-2009, 10:44 AM
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Originally Posted by TXZ28LS1
true that man!!! i am happy with magnaflow. sounds great and all. but its just still pretty quiet. so im thinking bout making the switch.
If you are going with LTs just wait. Itll make the Magnaflow sound amazing.
Old 08-07-2009, 11:04 AM
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Originally Posted by bballr4567
If you are going with LTs just wait. Itll make the Magnaflow sound amazing.
i am running longtubes, ory, and a 230 cam on a 112 LSA and its still quiet too me..LOL. without a doubt, it does sound good. i dont have any rasp at all, and i think the magnaflow has a smooth, crisp kinda sound i would say.
Old 08-07-2009, 11:19 AM
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Ahhh gotcha. Yea, its very smooth and crisp. If you want louder than go with a Borla but you might get some rasp with it. GMMG is also very good but you have to add that second muffler in there to get a refined tone with it if you have a cam. Plus, depending on where you are, you might want to think about how loud the car is and drawing attention.
Old 08-07-2009, 12:09 PM
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spd-kilz ur car sounds amazing , is that with long tubes?
Old 08-07-2009, 08:22 PM
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Originally Posted by bballr4567
Ahhh gotcha. Yea, its very smooth and crisp. If you want louder than go with a Borla but you might get some rasp with it. GMMG is also very good but you have to add that second muffler in there to get a refined tone with it if you have a cam. Plus, depending on where you are, you might want to think about how loud the car is and drawing attention.

word man!! i just want something more mean sounding and a bit louder.. but not too obnoxiously loud..LOL.



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