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http://euroticelectronics.com/hp_rac..._header_1.html

does anyone have this header on the site? i heard of ppl have the HP racing 4-1 header with the high flow cat but haven't heard of anyone having this one yet? can anyone give me any input on this header? anything would help. like will this connect to the stock cat or do we have to replace it also. things like that.....somene help me here