BN-338A2/BN-338B2
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| BN-338A2 | BN-338B2 |
| Part Number | OEM# | Sensor | Inlet/Outlet | Additional Info |
| BN-338A2 | 1 sensor 1 1/4" below body | 2 bolt inlet, 2 bolt out | 11" pipe, rear flange top left notch | |
| BN-338B2 | 1 sensor 3" from body | 2 bolt inlet, 2 bolt out | rear flange top left notch |