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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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05-08-2019, 02:43 PM | #1 |
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Rattling noise from exhaust?
Just recently changed out my over pipe and front pipe. I already have in India header and Invidia exhaust in the car and it was completely fine just not loud enough haha. The over pipe and front pipe I put in are also both invidia, and the front pipe is cat-less. It’s been making this rattling noise for a few days now and I just got it checked at a shop and they found a leak but the sound is still there so the mechanic told me that it could be because it is cat-less and is causing detonation which sounds similar to an exhaust leak? I was wondering if there could be anything done to prevent the noise? Or should I just get a catted front pipe?
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05-08-2019, 04:29 PM | #2 | |
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05-08-2019, 06:16 PM | #3 | |
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I see, will getting a catted front pipe fix the rasp? |
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05-08-2019, 06:35 PM | #4 |
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For the rasp I would just get a small resonator cut/welded in the front pipe, and, if the mid pipe doesn't have one, get a resonator in there too.
Resonators will not restrict flow, they will just cut down the tone not the volume. As for the rattle, I would say it isn't installed correctly, maybe missing a hanger? Put the car on stands and give it a good shake. Hopefully it's not bad bends at the overpipe, that would suck.
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05-09-2019, 01:59 AM | #5 | |
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05-09-2019, 03:11 AM | #6 |
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Just put stock FP back in if you still have.
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