Supersprint BMW E46 M3 Stainless Steel Downpipe Left with Metallic Catalytic Converter RS7 - C8 (2020+)(S) Their oversized 3/8" internal flow

Their oversized 3/8" internal flow path and smooth-radius bends ensure minimal fuel restriction

delivering maximum protection for your high-performance 2

creating exceptional depth

1 Series (E87)

Supersprint BMW E46 M3 Stainless Steel Downpipe Left with Metallic Catalytic Converter RS7 - C8 (2020+)(S) Their oversized 3/8" internal flowThe Supersprint Downpipe Left with Metallic Catalytic Converter is a precision, direct fit stainless steel upgrade engineered for the BMW E46 M3. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your BMW 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 using