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Old 11-09-2008, 02:36 PM   #1
FastlaneV6GT
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Which has less drone: Magnaflow or Borla?

So I have an SLP cat-back and it has way too much interior drone, so i'm going to replace the muffler. I have tried it with a resonator and it's still not enough.

I'm looking at either a Magnaflow 12265 or a Borla 40477. I dont mind if it's loud outside, just as long as there's no drone on the inside. I'll probably keep the glasspack on, but if I can get a muffler that has no drone without a glasspack I may remove it later.

The Borla muffler is about $60 more than the Magnaflow, but I just want whichever muffler will have no drone noise on the highway.
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Old 11-09-2008, 02:44 PM   #2
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Magnaflow has alot, thats what i have on my car now.

FS: Pacesetter with tips

i'm selling my pacesetter, i loved it. But got the magnaflow because it is louder.
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Old 11-09-2008, 03:16 PM   #3
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get the borla - for what yur sayin - you'll like it

i had the same needs in an exhaust and did Borla and loved it
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Old 11-09-2008, 06:25 PM   #4
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I like the sound of the SLP and magnaflow best myself. I added a small resonator to my SLP and it improved the tone but didn't really quiet it down much. If you want it even more quiet at cruising speeds you can try a larger resonator like this one vibrant ultra quiet or you can try a magnaflow straight through muffler like this magnaflow. I've also thought about trying something like this myself. It's a 2.5" straight through muffler with a built in resonator... kinda interesting and might actually work well. Aero turbine muffler
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Old 11-09-2008, 06:28 PM   #5
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Well I just ordered a Magnaflow muffler a few minutes ago. 12265. Hopefully that combined with the 18" Cherry Bomb on the car it'll have no highway drone.
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