Can't decide on exhaust... Help! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Tonrogs · 06-17-2018, 11:40 AM

Future plans are jdl turbo kit. Want quickest spool possible but also want quiet, this is where it seems to get tricky. Full 3" and we get loud, but 2.5" and it spools slower.
Currently n/a with full stock exhaust except STI axleback which i love the sound of. Would like to keep the STI axleback, but concerned about flow with turbo.
Maybe I'm thinking into this too much...idk.

Jdl plans are the gtx2860 gen2 turbo. Dump tube recirc....i know this slows down spool but I do not want vta due to sound. That's why the upgrade in the turbo to help spool time. Uel header. Planning on 300 whp with flex fuel.

Need advice so i can start purchasing items.
So....
Want fastest spool but also quiet.
Would like to keep my STI axleback, but would consider changing.
I will not be installing any exhaust items until I get the turbo.

J1Avs · 06-17-2018, 12:04 PM

You let me know if you decide to sell that STi axleback!

06-17-2018, 11:40 AM	#1
Tonrogs Senior Member Join Date: Apr 2018 Drives: 2014 BRZ Limited, Satin White Pearl Location: WI, 53593 Posts: 106 Thanks: 10 Thanked 40 Times in 30 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Can't decide on exhaust... Help! Future plans are jdl turbo kit. Want quickest spool possible but also want quiet, this is where it seems to get tricky. Full 3" and we get loud, but 2.5" and it spools slower. Currently n/a with full stock exhaust except STI axleback which i love the sound of. Would like to keep the STI axleback, but concerned about flow with turbo. Maybe I'm thinking into this too much...idk. Jdl plans are the gtx2860 gen2 turbo. Dump tube recirc....i know this slows down spool but I do not want vta due to sound. That's why the upgrade in the turbo to help spool time. Uel header. Planning on 300 whp with flex fuel. Need advice so i can start purchasing items. So.... Want fastest spool but also quiet. Would like to keep my STI axleback, but would consider changing. I will not be installing any exhaust items until I get the turbo.

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06-17-2018, 12:04 PM	#2
J1Avs Senior Member Join Date: Apr 2018 Drives: 2018 BRZ tS Location: Northern VA Posts: 396 Thanks: 239 Thanked 232 Times in 125 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	You let me know if you decide to sell that STi axleback!

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