Evolution Racewerks Sports Series 4" High Flow Catted Downpipe – BMW 120i / 125i / 230i / 330i / 430i / 530i / X3 / X4 / Z4 (B48 EU/Asia Spec)

OVERVIEW

Evolution Racewerks Sports Series 4-inch high-flow catted downpipe for EU/Asia-spec BMW models with the B48 four-cylinder. A high-flow catalytic converter replaces the restrictive factory unit, improving spool and mid-range torque on tuned cars.

SPECS

• T304 stainless steel construction, 4" body
• Sports Series: high-flow catted design
• Brush finish (S)
• Non-OPF or OPF-delete version

PARTS INCLUDED

• ER Sports Series high-flow catted downpipe, Brush 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

• Sports Series high-flow catted downpipes are intended for off-road / race use; check your local emissions regulations before installing on a street-driven vehicle.
• Confirm region spec and OPF presence before ordering — US and EU/Asia versions are not interchangeable.

PART NUMBER

• BM-EXH023SCAT — Sports Series 4" high-flow catted downpipe, Non-OPF or OPF delete, Brush finish
• Competition Series 4" catless version — BM-EXH023S

VEHICLE APPLICATIONS