Evolution Racewerks Competition Series 4" Catless Downpipe – BMW X1 / X3 / X4 / Z4 (E84 / F25 / F26 / E89, N20)

OVERVIEW

Evolution Racewerks Competition Series 4-inch catless downpipe for the N20 four-cylinder in the BMW X1 (E84), X3 (F25), X4 (F26) and Z4 (E89). The factory downpipe is the single biggest exhaust restriction on these cars, and the ER replacement significantly improves spool and mid-range torque, especially on tuned applications.

SPECS

• T304 stainless steel construction, 4" body
• Competition Series: catless design for maximum flow
• Brush finish (S)

PARTS INCLUDED

• ER Competition Series catless 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): Bootmod3 N20/N26 Tune – BMW 228i / 328i / 428i / 528i (F-Series) (X3 F25 / X4 F26 only).

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.
• Sports Series 4" high-flow catted version (BM-EXH013SCAT): Evolution Racewerks Sports Series 4" High Flow Catted Downpipe – BMW X1 / X3 / X4 / Z4 (E84 / F25 / F26 / E89, N20).

PART NUMBER

• BM-EXH013S — Competition Series 4" catless downpipe, Brush finish

VEHICLE APPLICATIONS