D&D Performance kit?

[HighMark Adventures]

Sled came with a D&D performance kit. I see the can but what else would this thing have done to it for it to be called a kit. I`m new to cat and have no idea.

Thanks

 

[summit-x]

Pipe, can and prob some clutching maybe Pipe and can for sure check for aftermarket air intake

 

[Bounty Hunter]

D&D Performance kit

I run a D&D kit. It is a can and a shim kit. Works well.