On 3.5 on yellow and no better. Was going to go up to 4 until I saw Enzo's post.I have the indian stage one and have moved the yellow fuel up to 3 and it got rid of the popping on upshifts.
American Customs baffles and cat. removed with American Customs diverter
K&N open A/C, P/N RC-9880
2014 cams, which are more aggressive than newer ones
All flashes done