Magnaflow or Flowmaster? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-21-2007, 09:05 PM   #21
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heres my car with Magnaflow, i know its a slightly different set up, but you get an idea
(Mines the car taking off, not the chase car)
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Old 03-21-2007, 10:47 PM   #22
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Keep in mind, most of these aren't under load, and are lower pitched normally.

http://www.fearthepearl.com/vids/zeke.mpg
http://www.fearthepearl.com/vids/crazydriver.mpg

On a series I i prefer a flowmaster, the rumble works great with the exh. manifolds.

On Series II, I haven't liked the L36 with a magnaflow that I heard, it was too poppy, without enough "behind it" for lack of better words. S2 L67'* are nice with maggies though....

Flowmaster is lower, more grumblier, more of a "classic" sound. Magnaflow is slighty more of a tuned sound. Differences are noticable, but they're not worlds apart. Dynomax sounds nothing like either of these...
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Old 03-21-2007, 11:13 PM   #23
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I had a flowmaster 80 on my 93. It had a REAL nice rumble at idle, however around town it was fairly loud, and it droned on the highway...i still loved it though, it sounds REALLY good even at wide open throttle.

On my Series II I will go Magnaflow all the way, I like the tone, its more refined.
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Old 03-21-2007, 11:29 PM   #24
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I prefer the Magnaflow on the Series 1 hands down. The above vds aren't worth the time. Zeke wasn't supercharged Crazydriver was. You can't compare exhuast on those two to each other.
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Old 03-21-2007, 11:41 PM   #25
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Ok well im still torn lol. I dont plan on changing anything except the mufflers. My main thing is I don't want any crackle pop noise, and want it as deep sounding as possible. I'll just pick one and hope for the best
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Old 03-21-2007, 11:43 PM   #26
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Deep with no crackle or pop?

Keep the stock resonator and go Magnaflow. The tone is more mellow and deep.
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Old 03-21-2007, 11:46 PM   #27
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Dont forget about dynomax




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Old 03-21-2007, 11:51 PM   #28
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hey wren, with the magnaflow, itll still be pretty loud yes? Thats what I want
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Old 03-21-2007, 11:59 PM   #29
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At idle or mid-range rpm'*, it grumbles like a lumpy performance cam in a V8. But not so much that it turns heads everywhere.

It doesn't suffer from the overdrive-cruising cabin drone.

But when you open it up........
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Old 03-22-2007, 12:17 AM   #30
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EXACTLY. Loved it on my LN3 in my Electra. Sounded insane. Without a res, it was poppy, but since you have a res Les, it should just be a deep, low, grumble. Should sound outstanding. They really do have a wide range of sound between idle, light throttle and WOT.
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