Magnaflow 5x11x22 Sound Clip - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 06-08-2012, 11:08 AM   #21
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Lol y'all run cats?
I have to pass emissions. My car is 100% street legal. Doesn't bother me, again, I'm making close to 240rwtq on a stock 1.6L block pushing 13-14psi...so what the eff ever.
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Old 06-08-2012, 11:17 AM   #22
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Old 06-08-2012, 11:32 AM   #23
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Lol y'all run cats?
get the fuck out of here. you're using up my oxygen.
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Old 06-08-2012, 11:38 AM   #24
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get the fuck out of here. you're using up my oxygen.
lol babyboy my car has hi flo cats
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Old 06-08-2012, 12:54 PM   #25
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Lol y'all run cats?
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Old 06-09-2012, 05:00 PM   #26
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Another 5x11x22 here

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Old 06-10-2012, 08:27 PM   #27
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I had a 12" long borla 3.5" dia muffler on first... it was LOOOOOUD. Then i got a 5x11x22 magnaflow and the turbo whistle is louder than the exhaust.. i did drive it few times with an open wastegate and it is kinda loud. Not you cant hear anything in the car loud but noticeably louder.
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Old 06-10-2012, 11:55 PM   #28
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A few have asked, so here's how my car sounds. I hope this satisfies you:




Softtop and windows are up.
Is this a 2.5 or 3" system?
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Old 06-10-2012, 11:58 PM   #29
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3"
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Old 06-11-2012, 12:38 AM   #30
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Jason can you post up a vid of yours? Preferably just like Brains so we can compare.
I wanna know how much interior noise your flapper kills off
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Old 06-11-2012, 10:12 AM   #31
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I bet it does a good job.

Honestly, in cruise mine is silent, so i wouldn't need it. The turbo spool in that video where I'm really not giving it much throttle is louder. In the video where you don't hear exhaust I'm not in overrun, I'm acutally on throttle; I made sure to always have the motor loaded. It does get loud in boost, but it's not overwhelming--if I wired the wastegate open myself it would be annoying.

If I drove FaelFlora car, I'd kill myself. That's the loudest miata I've ever heard, his soccer mom's minivan is hilarous in boost as well.

If you want any other video, let me know.
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Old 06-11-2012, 10:15 AM   #32
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Mine is the same. When I got that big magnaflow installed, my first drive made it very apparent what a rattle trap my car really was. And yes, I could hear the turbo over the exhaust.
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Old 06-11-2012, 10:17 AM   #33
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Yeah, rattles become your enemy. Luckily my stereo is loud as ---- and I can drive 70mph with the top down on the hwy with it turned up and can't even hear wind noise and hear the stereo perfectly without distortion.
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Old 06-11-2012, 01:38 PM   #34
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Damn you brain, you are succeeding in talking me out of my superawesome boost cutout plans and just replicating your exhaust setup. I think I'll do a flapper too just in case, as long as Timmah can build me one so I don't have to buy a Dynomax VT and haxorz it up.
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Old 06-11-2012, 02:04 PM   #35
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told you.
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Old 06-11-2012, 02:08 PM   #36
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and I don't have to worry about rattles at all cause my isht is covered in dynamat, and it made a very big difference
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Old 06-11-2012, 02:15 PM   #37
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the bump at 1:20 in my video still makes me lol.
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Old 06-11-2012, 02:36 PM   #38
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I'm going to ----- my dyno video again.

5x11x22 Magnaflow, 3" with no cat or resonator or anything. low mount turbonator.
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Old 06-11-2012, 04:53 PM   #39
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so, how quiet would the 5x11x22 with cat AND a resonator be?
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Old 06-11-2012, 05:04 PM   #40
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Just a bit louder and deeper than stock.. just about the same loudness as the road noise. The turbo muffles it a lot though. If you open the wastegate it does get louder enough to notice it but not enough to where it would prevent communication in a normal voice.
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