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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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10-31-2019, 07:54 PM
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#1 |
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Question for guys running 3" catback exhaust
Hey guys, I still have a small exhaust leak from where my front pipe meets the mid-pipe/catback. My catback is a 3" from Perrin and my front pipe is a 2.5" from Invidia. I'm getting a slight exhaust leak where those two meet and I don't think I can use the stock donut gasket because its meant for a 2.5" stock exhaust. Has anyone had leaks in that area?...if so what type of gasket would you recommend? A guy from Brakes Plus said he recommended a thick 2.5 flange gasket (5-8mm)....does this sound reasonable? Any tips would help, thanks guys!
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10-31-2019, 08:03 PM
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#2 |
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Maybe this, maybe?
https://www.mishimoto.com.au/subaru-...caAjNwEALw_wcB I'm sure you could find one cheaper if you googled for more than 3 seconds.
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| The Following User Says Thank You to 86MLR For This Useful Post: | chazmuska (10-31-2019) |
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10-31-2019, 09:18 PM
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#3 | |
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Quote:
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10-31-2019, 10:16 PM
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GrimmSpeed makes a cheaper one I think. I haven't bought mine yet tho lol.
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11-01-2019, 11:53 AM
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#5 |
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Or you run 3" all the way and call it a day!
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| The Following User Says Thank You to fika84 For This Useful Post: | Grady (11-01-2019) |
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11-01-2019, 06:19 PM
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#6 | |
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Quote:
Exactly! |
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01-07-2020, 12:41 AM
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#7 |
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Use permatex copper gasket maker. Works like a charm
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01-07-2020, 01:17 AM
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#8 | |
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Sent from my SM-N960U using Tapatalk |
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01-07-2020, 11:40 AM
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#9 |
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I bought the grimmspeed 2.5" to 3" adapter and it fixed this issue on mine perfectly. Im actually switching to a full 3" header back so I would give you mine cheap if youre interested.
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05-21-2020, 12:55 AM
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#10 | |
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Quote:
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05-22-2020, 04:20 PM
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#11 |
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sorry I just got rid of it last week
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