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Discussion Starter · #1 ·
hello all sorry if this is in the wrong spot but my question is i want to get the cobb intake, airbox, catted downpipe, and the accessport for my 2011 WRX. the stage 2 map states you need a full turbo back exhaust. if i install the parts above and try to run the stage 2 (with intake) map will that work with no problems or do i need the full catback that cobb has listed for $1800
 
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