Supersprint Alpina E31 B12 Stainless Steel Front Metallic Catalytic Converter Left 100CPSI M235i X DRIVE (F44) EXTERIOR STYLING 5 Series (G31) & 21

5 Series (G31) & 21 more

these springs are covered by a lifetime warranty against breaking

Stainless steel is corrosion resistant and gives the longevity and reliability required for road or race use

Kit contents: DP5002SS + SG2FK-019 + BC4104BLK-L + BC4104BLK-R

lustrous Gloss Black finish adds a premium touch

Supersprint Alpina E31 B12 Stainless Steel Front Metallic Catalytic Converter Left 100CPSI M235i X DRIVE (F44) EXTERIOR STYLING 5 Series (G31) & 21The Supersprint Front Metallic Catalytic Converter Left 100CPSI is a precision, direct fit stainless steel upgrade engineered for the Alpina E31 B12. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your Alpina a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by assumption