Description
This 2-piece stainless steel downpipe set features integrated 400-cell catalytic converters engineered specifically for the BMW S58 engine. Designed to provide strong emissions compliance while maintaining excellent exhaust flow, these downpipes deliver a refined balance of performance, efficiency and drivability.
Constructed from premium T304 stainless steel with TIG-welded precision, the WERKE 400-cell catted downpipes are built to withstand high temperatures and sustained boost levels, making them ideal for both high-power street builds and demanding track applications. The integrated 400-cell catalysts help reduce backpressure while supporting improved turbo response and smoother power delivery.
With exact bolt-on fitment for all BMW G8X platforms, installation is seamless and compatible with factory and aftermarket exhaust systems.
Key Features
- 400-cell high-flow catalytic converters
- Premium T304 stainless steel construction
- TIG-welded for strength and long-term durability
- Improved flow and reduced backpressure
- Enhanced turbo efficiency and throttle response
- Suitable for road and track performance applications
- Direct bolt-on fitment
- Designed specifically for the BMW S58 engine
Compatibility & Fitment
Compatible with BMW S58-powered models including:
- BMW G80 M3
- BMW G81 M3 Touring
- BMW G82 M4
- BMW G83 M4 Convertible
- BMW G87 M2
Note: This product is intended for off-road, racing and competition use only and may not be legal for use on public roads. Please check your local regulations before installation.
This component was previously marketed as O-SPEC and has since transitioned to the WERKE brand. The rebrand does not affect product specifications or compatibility – all manufacturing, materials and performance testing remain identical.
