thinking out aloud here...

so my uk hawkeye sti has the later style cat which means i cant run a normal newage 2nd decat - but stumbled upon a hatch 2nd decat which seemingly looks to uses the same cat setup as hawk

hawkeye cat & 2nd cat
http://thumbs2.ebaystatic.com/d/l225...fLGdG5OmXw.jpg

hatch 2nd decat
http://thumbs4.ebaystatic.com/d/l225...TUTF6OJ-7Q.jpg

anybody actually compared them?

 

hatch 2nd cat pipe doesn't have a 2nd o2 sensor hole