OVERVIEW
Evolution Racewerks Competition Series catless downpipes free up significant exhaust flow on the S55 twin-turbo engine. The catless design delivers maximum flow for race applications, with faster spool and more top-end power than the restrictive factory downpipes.
SPECS
- T304 stainless steel construction
- Competition Series: catless, maximum flow
- Mandrel-bent tubing for smooth, unrestricted flow
- Three finishes: Brush (S), Mirror Polish (P), Ceramic Thermal Coating (TB)
- Direct bolt-on using factory flanges and hangers
PARTS INCLUDED
- Pair of ER Competition Series catless downpipes in the selected finish
- Required gaskets and hardware
TECH RESOURCES
Additional Parts Required
- Supporting tuning is REQUIRED after installation to prevent check engine lights and realize the performance gain (sold separately).
Installation
- Installation guidance available through Evolution Racewerks technical support.
Notes
- Competition Series catless downpipes are for OFF-ROAD / RACE USE ONLY and are not emissions legal for street use.
PART NUMBER
- BM-EXH015S — Competition Series (catless) downpipes, Brush finish
- BM-EXH015P — Competition Series (catless) downpipes, Mirror Polish finish
- BM-EXH015TB — Competition Series (catless) downpipes, Ceramic Thermal Coating
- Sports Series high-flow catted version, Brush / Polish / Ceramic — BM-EXH015SCAT / BM-EXH015PCAT / BM-EXH015TBCAT
VEHICLE APPLICATIONS
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | M3 | F80 | S55 | 2015–2018 |
| BMW | M4 | F82 | S55 | 2015–2020 |
| BMW | M2 Competition | F87 | S55 | 2020–2022 |