As it stands right now:
- 3.5" to 4" coupler at the throttle body
- Spectre 4" dogleg 90-degree pipe
- Aeroquip -6 to -10 AN adapter with -10 Socketless fitting
- 4" to 3.75" coupler at MAF
- 4" filter
May step down to 3.5" piping for better clearance, had to remove duct for 4". Will fuss...