perrin downpipe. - Subaru WRX Forum
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post #1 of 3 Old 04-25-2010, 06:47 PM Thread Starter
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perrin downpipe.

will a perrin DP off a 02 wrx fit on a 04 wrx ??
and same with a blitz air intake??
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post #2 of 3 Old 04-26-2010, 12:37 PM
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Yep they will fit.

However, the DP will require a Stage 2 tune. Also, I believe that Blitz intake messes with the MAF scalling and AFR so that most likely would require a custom/protune. IMHO stick w/the stock airbox and panel filter.
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post #3 of 3 Old 04-27-2010, 08:48 AM
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+1 good info.. if you really want to mess with the intake, you could also do the snorkus delete mod

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