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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 12-16-2015, 08:03 AM   #15
Teseo
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What is drone sound?
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Old 12-16-2015, 09:07 AM   #16
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What is drone sound?
It's like an annoying buzz. Hard to explain, but you'll know it when you hear it. It's a very unpleasant sound and can give you headaches or even make you vomit.
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Old 12-16-2015, 11:21 AM   #17
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Also I'm pretty sure @CaptainSlowwas the first person to weld a resonator in the berk muffler deletes maybe he can chime in.
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Old 12-16-2015, 01:21 PM   #18
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The resonator helped out quite a bit. It doesn't get rid of the drone, just pushes it up a little higher in the revs. So, I guess it depends on where you do the majority of your driving. I drive 80% in the city, so I'm cruising around around 2500rpms, usually, which is right where that drone was without the resonator (or whatever RPM you're at when you're doing 45 in 6th). With the resonator, it pushes it up to around 3200-3600 (or whatever RPM you're at when you're doing 79-80 in 6th). So, I got the drone on the highway, but not in the city. If I got tired of the drone I could just drop down to 75mph and it'd be gone...or speed up lol.
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Old 12-16-2015, 02:56 PM   #19
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It's like an annoying buzz. Hard to explain, but you'll know it when you hear it. It's a very unpleasant sound and can give you headaches or even make you vomit.
Oh then mine drone, specially at 1500-2000 rpms.
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Old 12-16-2015, 07:16 PM   #20
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I've decided to get a resonator installed between the 2 tips of the muffler delete. I just has a question. Should I buy this from magnaflow or would one made by my local muffler shop be fine? I really want to get rid of as much drone as possible, i just don't know if magnaflow's are specifically good for this, or if resonators tend to be the same no matter the maker.
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Old 12-16-2015, 09:01 PM   #21
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honestly

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I've decided to get a resonator installed between the 2 tips of the muffler delete. I just has a question. Should I buy this from magnaflow or would one made by my local muffler shop be fine? I really want to get rid of as much drone as possible, i just don't know if magnaflow's are specifically good for this, or if resonators tend to be the same no matter the maker.
Honestly if the drone bothers you this much send it back and keep the stock exhaust with no drone at all or buy a full exhaust some of them are pretty quite
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Old 12-16-2015, 09:06 PM   #22
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helmholtz resonator. Do some math and you can eliminate drone at a specific rpm. Look it up.

Or just get the biggest resonator you can and hope it works.

Or just return it and get something better.
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Old 12-17-2015, 06:41 AM   #23
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I've decided to get a resonator installed between the 2 tips of the muffler delete. I just has a question. Should I buy this from magnaflow or would one made by my local muffler shop be fine? I really want to get rid of as much drone as possible, i just don't know if magnaflow's are specifically good for this, or if resonators tend to be the same no matter the maker.
Your local muffler shop doesn't make the resonator they either have them on hand like ones from magnaflow or borla or whatever and find the right size to fit the piping.
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Old 12-18-2015, 06:34 AM   #24
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I have a Y pipe muffler delete, and I am looking at doing a decat front pipe or maybe one with mini cats, would this make a difference with sound? Maybe add some pops every now and again, the car drones at the moment but that doesn't bother me too much as long as it doesn't become any worse then it is now, any advice on this? Or should I just do a overpipe?
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Old 12-19-2015, 02:59 PM   #25
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If you delete the muffler the car is going to drone. Everyone's perception varies. What people are willing to live with varies as well. The only way to get rid of drone is to add mufflers, resonators, cats, or a ton of sound absorption material -of which the 86 purposely has very little.
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Old 01-19-2016, 02:41 PM   #26
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I had the Berk test pipe (catless) and Berk muffler delete ( dual tips )
Had it on for about a week then put the stock axleback on while keeping the front pipe.
Drone was bad probably even worse with the catless front pipe.
but if you stay out of the rpms it gets lil quiet..
But on cold Chicago mornings my startups were way to freaking LOUD!
Had people complaining in my Condo building is why i removed it.
going to save money and pair the catless front pipe with q300 or sp elite in the summer.
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Old 01-19-2016, 02:43 PM   #27
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the catless front pipe i definetly feel while driving around. Throttle response has better and car pulls harder between 3.5 to 5k.
going to add unichip once i get the new axleback
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Old 01-19-2016, 02:47 PM   #28
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oh and i def hear the front pipe a lil even with the stock muffler on.
But....Berk test pipe with y pipe muffler delete sounds nice imo if you can handle loud and drone.
pops and gurgles, and growls when accelrating were beautiful.
paired with uel headers would be perfect match
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