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67 Posts
hey everyone now i know that if u put test pipes on our cars it will lean it out a little but i was on the phone with a guy from JIC yesterday and he was talking about his z and he told me be careful with the test pipes cause he had blown two motors well i thought that he had f/i or something but it was na with just exhaust intake and test pipes he says that he tracks the car regularly and i was just wondering if anyone else has had a prob