Description
These oversized 3.5″ stainless steel downpipes are engineered specifically for the BMW S55 engine, delivering significantly increased exhaust flow, reduced backpressure, and noticeably sharper turbo response.
Built from premium T304 stainless steel and TIG-welded for maximum durability, WERKE de-cat downpipes are designed to handle high heat, high boost, and demanding track conditions. The larger diameter provides improved exhaust velocity and supports increased power output for both tuned and motorsport applications.
This is a direct bolt-on upgrade for S55-equipped models, offering maximum performance with uncompromised fitment and build quality.
Key Features
- Oversized 3.5″ high-flow design
- Premium T304 stainless steel construction
- TIG-welded for strength and durability
- Reduced backpressure for improved turbo response
- Supports high-power and track-focused builds
- Direct bolt-on fitment
- Designed for BMW S55 engine platforms
Compatibility & Fitment
Compatible with BMW S55-powered models including:
- BMW F80 M3
- BMW F82 M4
- BMW F87 M2 Competition
Note: This de-cat version 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.
