| F1 | F2 | F3 |
Acura CL
| Part Number | Vents | Length | Sensor | Additional Info |
| BN-580F1 | 17" | passenger side sensor in center TOP-pointing toward inlet | center bolt 3" | |
| BN-580F2 | 17" | passenger side sensor in center TOP-pointing toward inlet | center bolt 3 1/8" | |
| BN-580F3 | 17" | passenger side sensor in center pointing towards outlet | center bolt 3 1/8" |