Pure Stock Open Headers

And even though you can't run "straight-through" type mufflers, with the advance of larger diameter pipes, removing cats (on late-model cars) and race mufflers I think you can still stay within the rules and still not lose that much over open headers. I'm not so sure that some of the combinations don't like a little back pressure and although we've never tested it I wouldn't see our Pure Stocker picking up much completely uncorked. Some of new mufflers sound really good too!

Scott