Milltek secondary catalyst pipe set, BMW M5 G90/G99 (NAS/ROW)
This pipe set replaces the original secondary catalysts. This version has no catalytic converter.
- Pipe size: 80 mm.
- Stainless steel construction.
Connects to a Milltek cat-back exhaust.
Versions without a catalytic converter or E approval are not approved for road use. Always check the local regulations for your vehicle before purchasing.
Included items
| Component | Part number |
|---|---|
| Adapters to Milltek Axle Back | F5178 |
| LH Secondary Cat Bypass | MSBM459 |
| RH Secondary Cat Bypass | MSBM460 |
| Active Centre Section (NAS/ROW) | MSBM461 |
Fitment
BMW 5 Series M5 4.4l Twin Turbo Hybrid G90 & G99 (NAS/ROW Spec Vehicles) (2025–2026)
Related part numbers: Milltek SSXBM1415.
Suomi

