best pipe for orion rev .12
 

I recently bought a slightly used orion rev .12. the one that came out before the josh edition. what pipe should I run on this thing as does anyone have any experience with this engine?

The Best Pipes
 

I hve run the Rev CRF the best combos the first one Novarossi short header with 2630 fatpipe,or the Sirio 2611. These work the best.