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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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03-03-2017, 08:07 PM | #1 |
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Headers question?
Having trouble deciding which headers I would like to combine with Perrin 2.5 inch resonated cat back. I originally wanted the JDL catted UEL but the headers seem to have too much bass. I want to change the headers to correct the torque dip and low range power. I prefer catted because would like to avoid fumes and having to flash always ECU to clear emissions.
Few notes: I love the the exhaust note of Perrin 2.5 resonated cbe with stock OP and FP and would love carry this exhaust note with the headers. I am not sure whether I should be going to EL headers to avoid the bass from UEL headers. I would like to avoid drone and rasp at all costs (mature sound). In terms of volume I would like it to be louder than stock but noticeable at the 4-6k rpm range. Completely lost with OP and FP combo to achieve this exhaust system note. Eventually planning to slap on a Jackson Racing Supercharger kit. Thanks Sent from my SM-N910W8 using Tapatalk |
03-03-2017, 08:35 PM | #2 |
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HKS or Apex'i header/OP/FP setup.
Your only option, and catted headers are no guarantee of "no CEL".. just FYI. -alex |
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03-03-2017, 08:38 PM | #3 | |
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03-03-2017, 09:11 PM | #4 |
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I have a JDL catted UEL, stock front pipe, Perrin 2.5" resonated catback. I'm not a young guy and this is my only car. Didn't want the setup to be too loud and it's not. Actually more quiet than I expected. It passed the wife test, too.
People who hear the car often comment on how good it sounds. Inside the car it sounds nice when you're on it, but it's very reasonable. I'm not sure how adding a supercharger would affect the sound. For reference, I have a Delicious ECUTek tune that was perfectly dialed in for this exhaust combo. |
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03-03-2017, 09:20 PM | #5 | |
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03-03-2017, 09:21 PM | #6 |
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I am also going the jdl header/ perrin 2.5 route this week.
But like @mav1178 said, if you're worried about passing emissions that much then you should stay stock. |
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03-03-2017, 09:24 PM | #7 |
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Oh man I have been reading about the Ace headers. Pieces of art. Can't find much exhaust notes on YouTube with the perrin at least. I remember reading somewhere on the forum the Ace headers should be really only considered for EL (the performance aspect). Might be wrong. Also not sure iirc but EL tend have more whiney exhaust notes?
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03-03-2017, 09:26 PM | #8 | |
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Can't go wrong with that Ace header though. |
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The Following User Says Thank You to Silver Cervy For This Useful Post: | goonz_maroon (03-03-2017) |
03-03-2017, 09:28 PM | #9 | |
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03-03-2017, 09:31 PM | #10 |
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If you want to avoid rasp or other weird noises then the rule is always stay stock. I've heard many people contribute rasp in their exhausts to their aftermarket front pipes. Swapping any exhaust part will create risk for rasp, you just gotta make sure it's fitted correctly.
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03-03-2017, 09:32 PM | #11 |
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I should add, I only suggested those two setups because I have no idea how a stock front pipe will sound with header + exhaust and whether there would be unwanted drone or rasp.
The more you mix and match setups, the more variables you introduce. At some point, you just have to ask yourself the questions: how much increase in exhaust noise do I want to tolerate? how "legal" do I want to keep this setup? do I want a catted header or a cat in the front pipe? if so, do I want to keep the stock front pipe or go with a different setup? Another option to maximize power is to run a catted header of your choice, overpipe of your choice, and perhaps a quiet front pipe like Fujitsubo. Or stock front pipe. |
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03-03-2017, 09:52 PM | #12 |
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I have jdl uel header paired with magnaflow axleback and everything is stock including stock resonator. Its very "bassy" and sometimes drones but doesnt have rasp like fart cannon civics. Still waiting for someone who have uel header and invidia gemini catback who can post a video to hear it and if its worth it.
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03-03-2017, 09:58 PM | #13 | |
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In terms of the FP I just want to moderate the noise volume and elite rasp and drone. I believe should be looking at a resonated catted FP. OP I hear doesn't make much of a difference. But you bring up very valuable points. More foreign pieces being introduced more chances for error. Sent from my SM-N910W8 using Tapatalk |
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03-03-2017, 10:04 PM | #14 |
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I have a JDL UEL Catted Header, Perrin Overpipe, Perrin Catted front pipe, and the 2.5 Res Exhaust. It doesn't drone at all, at least enough to notice. I had a catback on my old G35 and that thing droned pretty bad at low RPM's.
The only time I would call my setup loud is on cold starts, but it settles down after 30 seconds or so
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The Following User Says Thank You to BFIFE22 For This Useful Post: | goonz_maroon (03-03-2017) |
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