VRSF B58 4.5" Decat Downpipe with Heat Shield – BMW M140i, M240i, 340i, 440i & 540i
VRSF B58 4.5" Decat Downpipe with Heat Shield – BMW M140i, M240i, 340i, 440i & 540i is a high-flow exhaust upgrade for the listed BMW applications. Replacing the restrictive factory section reduces exhaust back pressure, supporting faster turbo response and increased flow on suitably prepared cars.
Key features
- Heat-shielded 4.5-inch catless configuration
- TIG-welded 304 stainless-steel construction
- CNC-machined stainless-steel flange
- Compatible with standard and suitable aftermarket cat-back systems
BMW fitment
M140i, M240i, 340i, 440i & 540i.
Fitment check: BMW used different flange and connection arrangements across model years and engine revisions. Please confirm the engine, chassis and physical interface before ordering if there is any uncertainty.
Motorsport / off-road use only: This product removes or bypasses emissions-control equipment and is intended for motorsport or off-road use only.