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cel on stage 2 wrx

917 views 0 replies 1 participant last post by  DEADBEATDUDE 
#1 ·
i flashed stage 2 a couple days ago and now im throwing a cel. i read the code and it says catalyst efficiancy prolem. is it a leak somewhere in my exhaust system or did i get a bum exhaust. to clearify i have the accessport v2 and a ebay xo2 racing tbe. any ideas
 
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