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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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05-29-2015, 10:17 AM | #29 | ||
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just a random question.
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05-29-2015, 11:58 AM | #30 | |
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As for rasp, don't waste your time with anything other than a Q300 or some other suitcase muffler, or a turbo.... front and mid pipe make very little difference when running a catless header. I went down that road already and tried several combinations of front pipes and cat backs. Only thing that tamed the rasp was a Q300 catback. A turbo will tame it as well.
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05-29-2015, 01:06 PM | #31 |
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05-29-2015, 01:08 PM | #32 | |
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05-29-2015, 08:04 PM | #33 |
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Any luck?
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05-30-2015, 11:23 AM | #34 |
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06-01-2015, 08:43 AM | #35 | ||
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I did change the spark plugs. No noticeable difference. I did realize that my turbo is leaking on the backplate near the intake(oil on it). I'll be getting it checked out this week. What headers is everyone running who is having issues? Quote:
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06-01-2015, 12:11 PM | #36 | |
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06-01-2015, 12:30 PM | #37 |
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I'm starting to think it's just a normal sound.
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12-21-2016, 07:40 PM | #38 |
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I had that awful fluttering noise too, it sounds like leaves rustling or air puttering coming from where the header is. It was apparent when the windows were down and driving next to a wall. I have the Open Flash Header 3. I'm not sure if it was an exhaust leak or it was because of the thin walls of the header so I tried to take care of both. I went back under my car and swapped out the stock header gaskets for grimspeed ones, used permatex copper on the gasket for the overpipe to header connection, used permatex copper on the overpipe to front pipe connection and finally DEI titanium wrapped the headers and overpipe. After all that, the rustling noise is gone. It sounds like a tight closed system now. The sound in general coming from the header is much more quiet now but still has that nice deep rumble, sounds more mature to me. I can enjoy my car again.
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02-26-2018, 03:03 PM | #39 | |
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EDIT: Fixed now! just didn't tighten the bolts in the middle well enough due to them being hard to reach. It was in fact a leak. Used a crow's foot and extension socket to tighten them. Last edited by blkdmnd; 02-27-2018 at 05:53 PM. |
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08-24-2020, 07:40 PM | #40 | |
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I know I am hella late here, but I have been dealing with this fluttering for months now. Did making it tighter eliminate it entirely? How tight did you go? Specs say it should be like 22ftlb and I am worried about going over that. |
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