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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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02-20-2014, 09:19 PM | #15 | |
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02-20-2014, 09:23 PM | #16 |
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I have the same setup as well - videos from in car on a group ride last year if you want to know what it sounds like in-cabin: [ame="http://www.youtube.com/watch?v=xRp8nYUcA3M"]Subaru BRZ: Fall Colors - YouTube[/ame]
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02-20-2014, 09:30 PM | #17 | |
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I wonder if Invidia Q300 would be quieter with this setup. |
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02-20-2014, 10:58 PM | #18 |
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@P&L Motorsports, @FT-86 SpeedFactory, Perrin, Invidia, customers, installers, other vendors, anyone else - which would be quieter on street below 4k RPM and not go above 90db or so at WOT?
Taking these as a baseline: P&L Motorsports Equal Length Header w/catalytic converter P&L Motorsports Overpipe P&L Motorsports Front Pipe w/catalytic converter And deciding on the muffler, between Invidia Q300 and Perrin 2.5" Resonated...or something else entirely that's even quieter...please advise, thank you |
02-20-2014, 11:13 PM | #19 |
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Even standing next to a car with jdl catless header, invidia op and catted fp, and q300 it was super quiet. If you stood behind the car you could hear it. @frs_matt has video somewhere. He switched from the q300 because he could not hear it in the car. Even with all the other stuff.
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02-21-2014, 09:35 AM | #20 | |
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"...The Perrin resonated 2.5" is a bit louder than the Q300, but not by very much. Very tame DD friendly systems with 0 drone." It looks like Invidia Q300 is what I'm looking for |
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02-21-2014, 09:43 AM | #21 | |
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02-21-2014, 11:22 AM | #23 |
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Found another one - HKS Legamax:
http://dsportmag.com/showcase/exhaus...ks-32018-at040 Wonder if this is quieter that Perrin 2.5" Resonated and Invidia Q300? |
02-21-2014, 11:26 AM | #24 | |
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02-21-2014, 11:41 AM | #25 | |
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02-21-2014, 11:43 AM | #26 | |
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Having said that, which of these three is the quietest below 4k RPM? HKS Legamax Invidia Q300 Perrin 2.5" Resonated Cat-Back Exhaust System It appears that I am looking at about 90-95db WOT and I would like to stay closer to or below 90dB at WOT if possible, but not a must. Anybody has dB charts comparing stock to Perrin and Invidia? I found one for HKS and it looks pretty close to stock before WOT at high RPMs. |
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02-21-2014, 12:36 PM | #27 |
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I can't comment on actual db readings, but my Perrin 2.5" front pipe (catted) + resonated cat back seems to be more intrusive at about 2000-3000 rpm at medium throttle inputs than high revs at WOT. That's probably because at WOT you're expecting noise, but high revs at WOT it's barely louder than stock from the inside.
It's by no means a loud exhaust at low revs part throttle, but that's where I notice the biggest difference from stock. If anyone in the GTA has a db meter I'd be happy to get some readings from my car.
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02-21-2014, 01:11 PM | #28 |
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I found comments that Invidia Q300 can get raspy when upstream components are opened up, and that's a no no for me.
Looks like the finalists are Perrin and HKS...which one is quieter with a much better flowing 4-1 header and two sport high flow cats before it? |
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