I have on my 95 STi 555 a non standard exhaust, but for the life of me I cannot see who it is made by, It is a stainless jobby with a 4" tail pipe Im unable to see any names only part or identification numbers :- XSSO2R4-R4-O1 also 229128 I just wondered if these would ring a bell with anybody?????????

thanks in advance

PETE