BN-323A
| 2 - 2 bolt inlets, 2 bolt outlets |
| 3 5/8" flange center bolt, 2" front pipes |
| left front sensor 4" below inlet |
| left rear sensor 1" below body |
| right front sensor 4 3/4" below inlet |
| right rear sensor 1 1/2" below body |
BN-323B
| 2 - 2 bolt inlets, 2 bolt outlet |
| left front sensor 2 1/2 " above body |
| left rear sensor 1" below body |
| right front sensor 3 1/2" above body |
| right rear sensor 1 1/2" below body |
BN-323C
| OEM# front left: 2007564, 0430055800 |
| front right: 2007564, 0430202A00 |
| Rear Body: 3C54 |
| left front sensor 3 1/4" above body |
| left rear sensor 2 1/2" below body |
| right front sensor 2 1/2" above body |
| right rear sensor 4 1/2" below body |
BN-323D
| 2 - 2 bolt inlets, 2 bolt outlet |
| 4" flange center bolt, 2 1/4" front pipe |
| left front sensor 3" below inlet |
| left rear sensor 1" below body |
| right front sensor 3 3/4" below inlet |
| right rear sensor 1 1/4" below body |
BN-323E
| 2-2 bolt inlets, 2 bolt out |
| 1 sensor 3" below right inlet |
| 1 sensor 1 1/2" below right body |
| 1 sensor 2 1/2" below left inlet |
| 1 sensor 1" below left body |
| 11" rear body, 7" rear pipe |