Right - Left "Cat-back" system - For the stock rear bumper model "M135i / M140i"
ensuring consistent quality and durability that meets the highest automotive standards
and a more aggressive stance without compromising the smoothness expected from factory components
DLC (Diamond Like Coating): DLC Coating stands for diamond-like carbon coating
Supersprint BMW G11 7 Series, G12, G20 3 Series, G21 3 Series & more Stainless Steel Downpipe + Metallic Catalytic Converter 200CPSI BRAKES_ALL Right - Left "Cat-back" systemThe Supersprint Downpipe + Metallic Catalytic Converter 200CPSI is a precision, direct fit stainless steel upgrade engineered for the BMW G11 7 Series, G12, G20 3 Series, G21 3 Series & more. 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