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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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06-16-2015, 02:00 PM | #1 |
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3" JDL overpipe for Nameless header?
I currently have the nameless header installed and mated to the nameless 2.5" overpipe/frontpipe combo. I'm growing tired of the buzz/resonance around 3-4k RPM and hoping to cure that by replacing the overpipe/front pipe with the JDL Ultra-quiet version.
I'm assuming I want the 3" JDL overpipe flange to best fit the nameless header, correct? |
06-16-2015, 02:08 PM | #2 | |
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06-16-2015, 02:15 PM | #3 | |
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I'm not concerned about it tapering back to 2.5" after that, but would like the flanges to match up since the nameless flange is 3" as well. |
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06-16-2015, 02:20 PM | #4 | |
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06-16-2015, 02:32 PM | #5 | ||
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06-16-2015, 02:33 PM | #6 |
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06-16-2015, 02:36 PM | #7 |
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from their website it specifically says - "2.5 or 3 Overpipe to Header flange option" and "Full 3″ design with smooth mandrel bends"
http://jdlautodesign.net/shop/ft86-3...ver-frontpipe/ |
06-16-2015, 02:36 PM | #8 | |
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I have a nameless 3inch carted resonated OP/DP. It also has a helmholtz resonator. So 2 resonators on the pipe and I have no buzzing or drone. So that might work for you Sent from my iPhone using Tapatalk |
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06-16-2015, 02:37 PM | #9 |
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06-16-2015, 02:41 PM | #10 |
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06-16-2015, 02:43 PM | #11 |
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06-16-2015, 02:52 PM | #13 |
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Mine is the catted/resonated one as well, still buzzing at 3-4k. However mine was one of the early designs with the cylindrical resonator vs the ball shaped one.
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06-16-2015, 02:59 PM | #14 | |
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Same here. I have a JDL UEL though. That could be the reason? I don't know just speculating and trying to help Sent from my iPhone using Tapatalk |
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The Following User Says Thank You to Freeman For This Useful Post: | xjohnx (06-16-2015) |
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