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06 Lexus Rx400h
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just get wrx or sti ones and you'll be fine.. you dont need anything crazy..
 

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99 Impreza RS rally blue pearl
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705 Posts
I'm not too sure about newer Impreza's but I think you would be fine with the stock injectors as long as you dont go above 7psi, 5 should be just fine.
 

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'00 RS w/ 05 STi swap
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im at 9psi on my stock ones with emanage ultimate and im fine (rugged edge of needing new injectors) so 6 psi is easily fine with stock
 

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Discussion Starter · #9 ·
ok thanks alot, oh and another question. i heard that the uppipe doesnt clear the cross member and that you would need a wrx/sti cross member, or you could use a one inch spacer between the headers and the uppipe, would that work?
 

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2005 Subaru Impreza RS 5MT
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This has been done, you need to search better.

New crossmember or notch your crossmember. A replacement is the better idea.
 

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2005 Subaru Impreza RS 5MT
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That's one of those things you have to go figure out yourself. The crossmember is not designed to remain rigid when you take a chunk out of it. You have to reinforce it afterwards. Just buy a turbo crossmember.
 
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