| Part Number | Inlet/Outlet | Sensors | Length | Body Length | Additional Info |
| BN-546S1 | 2 bolt in, 2 bolt out | 1 sensor 5 3/4" below body | 68" | OEM# BP4W, BPM2 w/resonator behind body, 3 3/4" center bolt outlet | |
| BN-546S2 | 2 bolt in, 2 bolt out | w/out sensor | 68" | OEM# BPM2, w/resonator behind body, 4 1/4" center bolt outlet | |
| BN-546S3 | 2 bolt in, 2 bolt out | 1 sensor 5 3/4" below body | 68" | OEM# BP4W, BPM2, w/resonator behind body, 4 1/4" center bolt outlet |
| Measurements Required |
| OEM#; with or w/out sensor, number of sensors, location of sensors; overall length, neck length, rear pipe length; converter round or oval; flanges flat or female; number of hangers |