stay with the airbox there is only about 3% difference (more with pods) for the cost of pods is it worth it to chase 3% more airflow ? My machine :- 09' America std cams, 904 wiseco big bore kit, 10-1 compression, Cylinder head ported, Air box gutted out, No AIS (total removal) Foran short pipes, front springs with emulators, rear springs (Ikon) spot lights trailer tow hitch and much more work/mods done. now getting about 70/75 rear wheel horse power...!