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Old 05-11-2011, 09:02 PM   #1
stpkenton
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Member#: 282474
Join Date: May 2011
Default Differences of 2011 wrx motor and 2011 sti motor

new here, wife has a 2011 wrx(i have a 2006 evo).

What is the difference between a 2011 wrx motor and a sti motor. the tally i can figure is

1) intake manifold is plastic vice red
2) 5 speed vice 6 speed tranny
3) turbo has different exhaust housing(usdm legacy gt)
4) top mount intercooler is smaller and plastic vice metal larger one
5) engine has (AVCS) on exhaust side only vice Dual (AVCS)

so is the block and head assembly basically a 2007 sti version? did i miss anything?
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Old 05-11-2011, 09:04 PM   #2
stpkenton
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also.... if it is like a 2007 sti motor. can i just get a topmount and tune and have power and touqe like my wifes old 2006 sti?
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Old 05-11-2011, 09:21 PM   #3
dnorton
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Member#: 218997
Join Date: Jul 2009
Chapter/Region: South East
Location: Jax
Vehicle:
07 WRX Mikey Tuned
JE/FSR built,35r 1300c

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^^^ Yes ,
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Old 05-12-2011, 09:27 PM   #4
stpkenton
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bump....trying to figure out why the wrx rev limit is lower than an sti?

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