Yes another GMMG vs Magnaflow thread
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Yes another GMMG vs Magnaflow thread
This is an easy one guys. Throw the sound difference out the window. Which plain and simply flows better? I was thinking of getting a magnaflow and a ported tb or just the gmmg. what would you guys do?
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Originally Posted by Z-286speed
Go true duals, it will out flow those anyday. And save you money over the GMMG. All the GMMG really is, is two sweet thunder mufflers curved around.
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Magnaflow, to me, is too muffled, sounds like cardboard to me, if that makes any sense...doesn't sound real. GMMG is cool, but for the money, you could true duals with Sweet Thunders (similar mufflers, though not identical) and get a better sound and much better flow for less money. Exactly what I did.
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Originally Posted by Z28Venom
GEEZ... do a damned search...
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I'm not sure about the true numbers but I know a couple cases where people with Magnaflow exhaust gained less than 5 hp with a cutout. The Magnaflow is almost a straight through exhaust, especially the right pipe which is hardly muffled at all.
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Originally Posted by bull99ls1
Magnaflow, to me, is too muffled, sounds like cardboard to me, if that makes any sense...doesn't sound real. GMMG is cool, but for the money, you could true duals with Sweet Thunders (similar mufflers, though not identical) and get a better sound and much better flow for less money. Exactly what I did.
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Originally Posted by WILWAXU
this is starting to get like the lid responce...
the difference is so little between ALL the catback systems that it's stupid to debate it.
the difference is so little between ALL the catback systems that it's stupid to debate it.
as far as CFM magnaflow wins, cant beat a straight through design . having said that you are correct.
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Check it out, go to www.ls1sounds.com, listen to the exhaust
Theb decide on which catback to go with.. I wouldn't put a flowmaster on an LS1 though, it sounds choked up as it is...
Anyway, check that site out and go from there.
-Matt
Theb decide on which catback to go with.. I wouldn't put a flowmaster on an LS1 though, it sounds choked up as it is...
Anyway, check that site out and go from there.
-Matt
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I have my Magnaflow and I love it. Since you have longtubes and a cam, you may want to stay away from GMMG because it will be VERY loud. Magnaflow tends to be just the right volume once you get the extra noise from a cam and full exhaust.