Absolutely.
96 - Yes
BHAF on a 2003 - No
BHAF in garage - Yes
MHAF/AH1141 on a 96 - Yes
By the way, the BHAF on an HX40 really impressed me. It dropped EGT by 50 degrees & increased spool up. I couldn't believe how much it increased spool up ... I actually put the stock box back on, re ran the test.