Milltek BMW TOYOTA B58 Sport Downpipe with HJS 200 Cell High Flow Catalytic for OPF Equipped Models
Unlock the performance potential of your B58 with the Milltek Sport Downpipe featuring the premium HJS 200 cell high flow catalytic converter. Engineered for OPF and GPF equipped models, this cast downpipe is designed to increase efficiency and performance gains by enhancing gas flow and heat management. The HJS High-Flow Sports Catalyst is the highest quality and best performing aftermarket catalyst, reducing the dense OEM 500 to 600 cell design down to an ultra free-flowing 200 cell core to improve exhaust gas flow and performance while remaining suitable for daily use.
We have installed this Milltek B58 catted downpipe on customer cars and in our own builds, and feedback has been consistently positive on quality, fitment, and the more engaging, refined sound it delivers. If you are looking for a high flow, OPF compatible, catted downpipe for your BMW B58 or Toyota GR Supra, this is the go-to upgrade.
Key Features
- HJS 200 cell high flow sports cat for maximum gas-flow and performance
- Cast downpipe design for excellent heat management and durability
- Optimised for OPF and GPF equipped models
- Designed to increase efficiency and performance gains
- Suitable for daily usage while maintaining emission regulations
- Made by Milltek with proven quality and reliability
Compatibility
- BMW 2 Series M240i Coupé G42 xDrive OPF and GPF models only (2022+)
- BMW 3 Series G20 G21 M340i B58 3.0L Turbo OPF equipped models only (2019+)
- BMW Z4 M40i G29 3.0 I6 B58 OPF and GPF models only (2019+)
- Toyota A90 GR Supra B58 3.0L Turbo OPF equipped models only (2020+)
For non OPF equipped models you will need the Milltek Toyota B58 A90 Supra Sport Downpipe with HJS 200 Cell High Flow Catalytic.
Part Number
SSXTY118
Manufacturer
Milltek
Warranty
Milltek 2 year warranty on the catalytic converter and lifetime warranty on the downpipe.
Professional Fitting
For expert installation and coding support, book fitting with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Why Choose This Downpipe
If you are searching for a BMW B58 catted downpipe, OPF downpipe, GPF downpipe, high flow catalytic converter, HJS 200 cell sports cat, Milltek downpipe, BMW M340i downpipe OPF, G42 M240i downpipe OPF, G29 Z4 M40i downpipe OPF, Toyota GR Supra A90 downpipe OPF, B58 high flow catted downpipe, SSXTY118, or B58 performance exhaust upgrade, this Milltek HJS catted downpipe is the ideal solution for flow, quality, and daily usability.
Note: Always check local regulations regarding aftermarket catalytic converters and emissions compliance.