
VRSF N54 3-inch Cast Stainless-Steel Decat Downpipes – BMW 135i, 1M & 335i
VRSF N54 3-inch Cast Stainless-Steel Decat Downpipes – BMW 135i, 1M & 335i 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
- Full 3-inch design to 2.5-inch outlet flanges
- Cast bellmouths with smooth transitions
- Mandrel-bent TIG-welded SS304 stainless steel
- Mounting hardware and mid-pipe gaskets included
BMW fitment
135i, 1M & 335i.
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.

