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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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11-10-2025, 04:49 PM
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#15 |
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Full Throttle!
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I think that one of the things that make them better at not transferring sound/vibration is all the negative space in the middle.
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11-11-2025, 01:00 AM
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#16 | |
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The Dictater
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| The Following User Says Thank You to Spuds For This Useful Post: | smackrel (11-11-2025) |
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11-11-2025, 01:29 AM
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#17 |
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The Dictater
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I did wind up getting all the tools I needed to analyze the exhaust resonance, but I got distracted and lost motivation lol. I kind of got my heart set on finding the holy grail of catbacks, a single-exit that sounds great but doesn't drone or break sound when you have headers... And there's a bunch of other criteria I have on top of that that would take too long to go through lol.
In the meantime, I found out a friend has a TRD catback in his spare parts closet. Probably gonna try that on and see if it will offer temporary relief. I'm not really a fan of the D shape tips, but if it is in better shape than my stock catback and sounds alright I might keep it for a bit. Before I do that, I need to cut off the stupid flared donut gasket ring JDL welded on and get someone to weld on a simple, straight 65mm ring so I can use standard-sized donut gaskets like a sane person.
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| The Following User Says Thank You to Spuds For This Useful Post: | DarkPira7e (11-11-2025) |
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