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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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11-12-2021, 10:11 AM | #1 |
Wes
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JDL 4-2-1 headers with OEM FP+CB?
Anyone have the JDL 4-2-1 exhaust with the oem front pipe and catback? I'm looking to install a supercharger in the future and only have an aftermarket catback for now, which being a Corsa, will have to be reverted to OEM so that I remain on good terms with the neighbours and the local constabulary. So anyone have the JDL+OEM combo and has sound clips or a description? Figure I install the headers first, pick up a few horsies and then retune when I get an SC at some point in the future.
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11-12-2021, 10:17 AM | #2 |
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I have a JDL with OEM OP/FP and CSG Touring 86 Competition catback; zero issues with the sound and you should have no problems with an OEM catback.
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11-13-2021, 12:07 PM | #3 |
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A) All headers are quiet when used with the factory frontpipe and catback combo.
B) You may notice a little extra valvetrain and 'gas flow' noise from in-cabin with some headers, due to stainless tubes being 'thinner walled' than the factory item. That's a much more subtle thing heard from in-cabin though, and not something that contributes much to overall volume (or that would be 'picked up by the neighbours' so to speak). This does tend to settle down a bit too, once the new pipes 'carbon up' a little from inside after a couple of decent drives. C) Refer to A |
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11-13-2021, 04:21 PM | #4 |
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I have JDL 4-2-1 OP and Dual resonators FP, Stock Mid pipe with and fujitsubo authorize s axle back. Zero drone or rasp and really gives the car an OEM+ sound. Louder when you want to be quiet when no and its catless.
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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11-19-2021, 04:59 AM | #5 |
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I have a JDL 4-2-1 with OEM FP and MP, and some AM axleback lighter than OEM but still quite restrictive
I am really happy with the sound. It is nothing too loud if you want to (low revs) but still a very nice improvement over OEM because it sounds deeper letīs say This! I thought it could be some kind of leak or something. Is it a sort of metallic sound coming from the "gearbox" position that happens only under throttle load and mid revs? Apparently it does not sound from outside...but from inside is annoying |
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11-19-2021, 06:56 AM | #6 | |
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Quote:
What you're describing could also be rattling from the factory heat shielding on the cat/front pipe. If it bothers you, you can clamp them with large hose clamps mated together to encircle the cat and shielding, and tighten it down. |
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The Following User Says Thank You to SydBRZ For This Useful Post: | J95 (11-22-2021) |
11-19-2021, 07:46 AM | #7 | |
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11-19-2021, 12:18 PM | #8 |
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Thanks for the replies guys!
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The Following User Says Thank You to StraightOuttaCanadaEh For This Useful Post: | SydBRZ (11-20-2021) |
11-19-2021, 01:02 PM | #9 |
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Here is my setup on Track. Recorded with Hero 8 Black, Official External Mic add-on and external Mic.
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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11-19-2021, 02:05 PM | #10 |
Wes
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thanks for the video, I have to say that's fairly raspy, at least at the top end. Seems I should be looking for an alternative catback. I just know my Corsa is gonna be way way too loud
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11-19-2021, 11:44 PM | #11 |
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I can give you some free revs when parked. See if it sounds any different. Not sure I hear the "rasp" Maybe a bit ricer sounding I guess. IDK
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
11-20-2021, 01:44 AM | #12 | ||
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At those revs, that sounds really nice and smooth IMO. Not too tinny or raspy. V cool, but not a great indicator of how it would sound around the hood or at cruise Last edited by SydBRZ; 11-20-2021 at 01:55 AM. |
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11-27-2021, 02:50 AM | #13 | |
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11-27-2021, 06:27 AM | #14 |
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External on rear bumper near license plate.
Sent from my Pixel 5a using Tapatalk
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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