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Discussion Starter #1
I just recently purchased an Invidia Catless DP, and a Perrin CBE. My question is this. Am I going to run into huge problems on an 07 WRX if I wait to do an Up-pipe? I could afford to do the up-pipe now if need be but if I wait is there going to be any major short term issues? I have read about Turbo grenading and what-not....so I am just curious.
 

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I don't think that's a problem on an '07, there's no cat in your up pipe.
 

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+1 no need for an up pipe.
Hope you are running some form of engine mgmt with the downpipe on your car. Flash to stage 2 and enjoy!
 

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Only two reasons I can think of to get an UP with a 2.5L engine is to go the route of EWG (what I'm saving up for), or because you bought headers that require a special UP.
 

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you dont have a cat and dont need a new up pipe. only 02-05 wrx owners
 

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Only two reasons I can think of to get an UP with a 2.5L engine is to go the route of EWG (what I'm saving up for), or because you bought headers that require a special UP.
Sorry, new to the turbo world, what is "EWG"?
 

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