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2001 Impreza 2.5RS
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114 Posts
Discussion Starter · #1 ·
As the thread title states, I'm going to be picking up an 01 2.5RS Sedan, 5MT, this weekend or early next week.

Where can I find some good reading. What's the engine code? I know it's a SOHC 2.5L H4, but where can I find more information about it?

Is it an interference engine? How robust is the drivetrain?

Any information that you guys can send my way would be much appreciated!
 

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2001 Impreza 2.5RS
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114 Posts
Discussion Starter · #3 ·
Awesome site. Thanks for the info. So it seems that the Borla header or a replica is the thing to have. The UEL header sounds awesome with many of the catbacks I've looked at.

From what I've been able to piece together, there is the header, mid pipe, and then cat back section yes?
 

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1999 RS RBP Coupe
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399 Posts
The exhaust system is:

header>cats>midpipe>axle-back or
header>cats>cat-back
 

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2001 Impreza 2.5RS
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114 Posts
Discussion Starter · #5 ·
How prevalent is the head gasket problem in the Phase II EJ25s? Any obvious ways to see if it's suffering this problem?
 
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