performance. hypercharger. k & n. dyno

2002 VTX 1800 Retro with 26K. Hypercharger PRO with K & N. PC III. Rineheart Longshots (no baffles) - just had dyno: 88 HP, 100.2 ft. lb. torque. The air filter is pretty dirty and she needs an oil change but the dyno guy said this looked good. The Air-Fuel mix stayed around mid-level. What do...