AND
MODEL
INDEX
BN-278A/BN-278B/BN-278C/BN-278D/BN-278DD/BN-278E/BN-278EE
| Part Number | Front Pipe | Rear Pipe | Sensors | Additional Info |
| BN-278A | 23" longest side | 11 1/4" | 1 sensor | Y inlet |
| BN-278B | Single Inlet | |||
| BN-278C | 11" | w/air | ||
| BN-278D | 23" longest side | 6 1/2" | 1 sensor | |
| BN-278DD | 23" longest side | 6 1/2" | 2 sensors | |
| BN-278E | 30" longest side | 6 1/2" | 1 sensor | |
| BN-278EE | 30" longest side | 6 1/2" | 2 sensors |
Measurements Required: single or dual inlet; length of longest front pipe; with or w/out air; with or w/out sensor & number of sensors; length of rear pipe