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Discussion Starter · #1 ·
I drive a 2018 Wrx
I’m planning on installing

Invidia Catless j-pipe
Fujitsubo equal length headers
Cobb big sf air intake
Cobb access port
Cobb flex fuel kit
Perrin turbo inlet
Torque solution tgv delete
Torque solution egr delete
Mishimoto tmic
Mishimoto charge pipe
Grimmspeed electronic 3 port boost control
Dw300c fuel pump
IAG performance street air oil separator

And I currently have a
3” custom straight pipe

What kind of hp am I looking at after tune?

Any opinions?
Any recommendations?
Any suggestions?

(About my list)

Also would all these play well with each other or would I have problems?

Would there be problems later on the road?

Am I missing anything?


What do you guys think?

Thanks.
 

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Super Moderator
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11,456 Posts
If you go e85 you’ll make more than enough at the expense of the high pressure fuel pumps incompatibility with ethanol. See if they make a compatible pump first.

I’m terrible at guessing hp numbers but I’ll say north of 300 maybe approaching 350.
 

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BooSTIng
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2,288 Posts
What flex fuel does is allow you to run pump gas, e85, or any mixture of both.
 

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Æternum
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15,864 Posts
I was under the impression that the WRX fuel system is incapable of supporting anything north of E60 even with the stock turbo.

Flex fuel would be a must IF you are chasing the ethanol path.
 

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BooSTIng
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2,288 Posts
I was under the impression that the WRX fuel system is incapable of supporting anything north of E60 even with the stock turbo.

Flex fuel would be a must IF you are chasing the ethanol path.
I remember reading somewhere about the wrx fuel system in the newest generation and its limitations. I should brush up on the details of the new fa20. My mind is always geared towards the modding of the EJ platform.
 

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With the TGV.EGR deletes with AOS and EBCS, from what I've seen your high 200s to the wheel. With that set up your mid 350's I would say. This is only based on looking at somewhat similar builds. Probably on the higher end. If you don't know what a flex fuel kit does, I probably wouldn't advise putting together a build.
 
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