What company sells this? My cats have begun rattling--I think material has broken free inside. I also have the SLP headers...so will any Y pipe bolt up?\ thanks

in the u.s., you can order the stock configuration crossover pipe/dual cat assembly from checker auto, autozone, etc. along with a few other sources. just do a search on google and you should find them.

sorry i no longer have the links since i decided against replacing my entire exhaust system just to install my set of slp headers.

i was hoping the factory crossover inlets would bolt right up to the header outlets so i would not need to hack up my factory exhaust (it's still in great shape) but that was not the case.

if you find a Y-pipe that bolts right up please let us know.