V&h vo2 intake and tts tuner  works verywell for me

Go for the hi flow, whatever make . and a tune,TTs or screamin eagle.

i had s&e tuner with high flow fitted under the standard cover to suit my v&h big radius

no issues with it air filter looks standard

fundi

I might be a little later guymcfly but here's a pic of my V&H Hi Flo aircleaner, which is matched up to V&H Big Radius 2-1 and Sert.

looks good.I'm starting to like them cleaners.