Cats are expensive.. the ones that work that is. It'd be a better investment to purchase an aftermarket mid-pipe with high flowing cats.. or to find a used h-pipe with them already there if you don't care about performance.
Too often, We lose sight of life's simple pleasures. Remember, when someone annoys you it takes 42 muscles in your face to frown, BUT, it only take 4 muscles to extend your arm and bitch-slap that [email protected]#?!&! upside the head!!