06 sti ... Stolen cobb, repercussions of stage 2 stuff on stock tune
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11-14-2012, 07:55 PM
04 WRX Wagon,
15 WRX 6MT CWP
Negative on both. Intake (most) requires a tune to avoid running lean. Downpipe requires a tune. Both of them together, you're asking to destroy your engine.
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