BMW X3M / X4M F9x Alpha Competition Decat Downpipes

Direct mounting installation

2-piece system

Constructed from 100% T304 stainless steel

3.15" (80 mm) pipework

Up to 35 hp gain measured on Stage 1 setups

Aggressive exhaust sound

Handcrafted TIG welds

Assembly kit included

Lifetime warranty provided

ECU calibration required