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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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04-19-2015, 04:25 PM | #1 |
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Making an axel back sound louder. Possible?
Hey guys. Recently I bought a used Greddy SP Elite Axelback from someone local who upgraded to a perrin full catback. (Im starting to understand why he upgraded)
The thing is, I LOVE the way it sounds. Its just not loud enough. Now the reason I post this is because the rest of my exhaust is stock. And I didnt know if upgrading the headers, upper pipe, mid pipe (bearing in mind mid pipe would have to be custom made due to lack of mid pipes fitting this axelback) etc. If any of these would help make this axleback sound louder? Couple of notes: The Greddy Axelback is maybe 25-30% louder than stock at 1.5.2.5k rpm. Above 2.5k I cant notice a difference over stock. Id like to see if upgrading any of the other exhaust components would increase the loudness by 40-50% throughout the entire rpm range, not just low. Other recommendations are welcome. Thanks. |
04-19-2015, 04:35 PM | #2 |
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upgrade the front pipe/overpipe. That's what I plan to do on mine. Should make the exhaust a bit louder.
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04-19-2015, 04:45 PM | #3 |
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Yeah if you're just looking for a modest increase in sound throughout just upgraded your front pipe to a non catted version
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04-19-2015, 04:46 PM | #4 |
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How certain are you that this would help? And by how much? If it only makes it 5% louder than its not worth it, but if its 25% or more louder, than yeah id be on board.
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04-19-2015, 05:05 PM | #5 |
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u can try a muffler delete. Go to a muffler shop and have them delete resonators?
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04-19-2015, 05:14 PM | #6 |
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Go with uel headers with your greedy axleback will sound deep and rumbly
And fuck your neighboors if they start to complain |
04-19-2015, 05:20 PM | #7 |
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font pipe will definitely make a noticeable increase in sound if it's non catted
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04-19-2015, 05:56 PM | #9 |
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Will it be obnoxiously loud? I don't care what neighbors think. I just don't want to annoy myself or have to raise my voice any louder to talk to a passenger in the car with me than I do now.
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04-19-2015, 06:14 PM | #10 |
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If it is truly axel back then you still have the mid pipe resonator. take it off and go to a muffler shop and have them make a replacement. that way you can go back to stock if you do not like the drone. Option "B" would be to cut the resonator out and replace with a short piece of strait pipe.
Both are cheep and easy. I went with Flowmaster (not recommended). I put the resonator back in to help with the drone. |
04-19-2015, 07:41 PM | #11 |
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I also have the greddy sp elite axle back but matched with a borla uel header. Cold start is a bit loud but once you do to idle it sounds great
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2013 Scion Frs AT in Whiteout, Borla UEL header, Greddy SP Elite AxleBack. Kraftwerks C38 Supercharger tuned by Moto East and 2 kid seats in the back.
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04-19-2015, 08:31 PM | #12 |
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Awesome. Thanks everyone for all the suggestions thus far.
I did some more research and I think I'm going to go ahead with this purchase/install. Motiv Concepts Overpipe Motiv Concepts Test Pipe (Front pipe) FT86 Catted UEL Header (I think I remember reading this was better than Borla's UEL. Is that true?) I'm going to leave the stock mid pipe since other forums on here suggest that upgrading the stock mid pipe wont really add much of anything at all. Also, do I HAVE to replace all of the relevant gaskets? Ive only got 14k miles on the car. Not sure if its truly necessary or not. And there is no reason why any of these would have any issues fitment wise on an AT? Thanks. |
04-19-2015, 08:59 PM | #13 | |
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Quote:
if you want the best bang for buck just go catless header and tune and leave the rest stock, you will get the sound increase you want and more power, easiest cheapest route is likely openflash header and openflash tablet\tune combo will be about 1000 all up. or another canned tune and header if you dont get a tune you will likely get cel code even with catted aftermarket header. quite a few guys on ft86 speedfactory catted heade get cel code yes you need to use new gaskets |
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04-19-2015, 09:03 PM | #14 |
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