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Old June 13th, 2014, 09:24 PM   #1
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Magnaflow 16685 too loud

Based on all the videos i found on youtube i bought a 16685, but when i actually got to drive with it on the car it is way louder than i expected in normal driving rpm ranges, drones on the highway and sounds fantastic when you get on it.

Im not sure if i want to keep it as is and hope it gets quieter after breaking in, add a resonator to quiet it down, or just go back to stock.

Anyone else have a similar experience with the magnaflow catback?
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Old June 13th, 2014, 09:25 PM   #2
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It doesn't get quieter, you just drive faster to get out of that rpm range
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Old June 13th, 2014, 09:31 PM   #3
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damn, i was afraid of that, so its add another resonator or take it off
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Old June 14th, 2014, 09:37 PM   #4
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Depends what u think its loud. I currently run pcd n xlr8 v2 jpipe and stock res with no muffler and think its perfect. It gets damn loud above 4k and quiet enough to talk while cruising and quiet enough to sneak out at night without waking peopls up.
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Old June 14th, 2014, 09:51 PM   #5
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I have an extra resonator. It doesn't help with the drone. You probably need a mid muffler
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Old June 14th, 2014, 11:12 PM   #6
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i was considering getting the stock mid muffler cut off the oem exhaust and put on the magnaflow, but for now im back to stock and the magnaflow is in my basement
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Old June 14th, 2014, 11:13 PM   #7
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its the design of the muffler that cause it to drone. So yeah.... its pretty hard to fix.
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Old June 20th, 2014, 09:34 PM   #8
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been doing some more reading, im starting to like the idea of that "stage 2" exhaust mod that went around acurazine and the other forums a while back. Use the resonator from the 16685, sell the magnaflow mufflers and get the stock pre muffler removed. based on what im seeing and hearing in videos it looks like it will give me what i want as far as sound and noise levels
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