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


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Old 04-19-2017, 03:10 PM   #1
wasabiseaweed
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Red face Borla UEL paired with Invidia N1 Drone Help!

Hey guys, I picked up a 2017 BRZ not too long ago and got around to doing my first mods yesterday.

I fitted a Borla UEL header and an Invidia N1 exhaust. The setup sounds amazing when I get on it, but there's way too much drone. To the point where it gives me a headache under normal driving. The only way I can minimize the drone is by keeping the revs between 2000 and 2300 with very little throttle input.

My question is what can I do to minimize the drone. Would a different catback help? As far as I understand the drone is mainly because of the catback, not the header. Anyone have a catback to recommend.

I've also heard that a resonated front pipe will help?

Please help, this drone is driving me crazy...
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Old 04-19-2017, 03:22 PM   #2
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Get a new exhaust. The N1 is obnoxious enough as is and had you done any research before pairing the N1 with a catless header, you'd have read just about everyone complaining about it being too loud and mega droney.
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Old 04-19-2017, 03:51 PM   #3
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Yep, get a new exhaust. The Q300 is much quieter.
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Old 04-19-2017, 04:01 PM   #4
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If you have the stock front pipe on the car currently, changing it wont help. You could go to an exhaust shop and see if they can weld in another resonator.
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Old 04-19-2017, 07:54 PM   #5
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Anyone know what the sound is like with a Borla UEL paired to the stock exhaust?
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Old 04-19-2017, 07:57 PM   #6
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And this is why I look into things before buying them.

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Old 04-19-2017, 08:10 PM   #7
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Get a helmholtz resonated front pipe, it will get rid of most of the drone. I did this before I decided too much of my hearing was lost and switched back to a Q300
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Old 04-19-2017, 09:29 PM   #8
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And this is why I look into things before buying them.

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I had done some searching and seen some videos of it but they don't touch on the drone at all. I was just looking for something with a deep tone and the videos made it sound like the best choice.
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Old 04-20-2017, 10:12 AM   #9
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Anyone know what the sound is like with a Borla UEL paired to the stock exhaust?
It sounds like stock. Couldn't really tell that I had a header lol.

Not my car.
[ame="https://www.youtube.com/watch?v=7ZM5d_7c5Xo"]Borla UEL headers with stock exhaust - YouTube[/ame]
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Old 04-20-2017, 08:19 PM   #10
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As others said, new exhaust. Been there,done that. Invested into sound deadening. Bought an HKS dual-resonated front pipe, sounded better but still stupid loud. Went with HKS Legamax premium. Miss the sound but for daily sanity it was the best decision ever.
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Old 04-20-2017, 11:30 PM   #11
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The N1 has been crazy loud on every car they make it for...
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Old 04-21-2017, 01:15 AM   #12
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I have an n1. Would not recommend for most people, if any really. Drone for days

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