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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-27-2014, 02:28 AM
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#1 |
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Not happy with exhaust sound
Hey guys,
Compared to a lot of other setups I've heard, I'm not really happy with my exhaust sound, but don't know which exact component(s) is causing the less-than-awesome sound. I can only describe it as "hollow" or "untuned". My setup is as follows: > Perrin 2.5" catback with resonator > 2.5" custom catted front pipe > 2.5" custom overpipe > Stock header Other mods: > Perrin intake > ECUTEK tune Do frontpipes and overpipes contribute much to the overall sound? Anyone know what it might be? I know it's difficult to detect what it could be without hearing it so I might upload a video shortly. Thanks in advance! |
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09-27-2014, 02:55 AM
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#2 |
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yeah front pipe makes a big difference. not sure the exact sound you're talking about, but I am guessing it's the header. with the stock header you're at the midway point between rumble and no rumble. i think the stock header is like 30% uel, so it's probably resulting in a really bland sound. probably need to go full uel or el. aftermarket header will add a lot of sound definition and volume that's for sure.
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09-27-2014, 03:17 AM
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#3 |
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Yeah, for what it's worth, I have a SpeedFactory UEL header on its way. Might wait to have it installed before I investigate further.
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09-27-2014, 03:25 AM
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#4 |
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The header makes a big difference. I had a borla uel and Perrin 2.5 resonated and it was much louder than stock with a good rumble sound.
I put the stock header back on with the Perrin and now it's not a whole lot louder and not much different sounding than stock. Not sure how much a difference the cat in the FT86SF will make compared to catless.
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