Supersprint BMW F22 2 Series, F23 2 Series, F30 3 Series, F31 3 Series & more Stainless Steel Connecting Sleeve PipeFor the OEM Secondary Catalytic(Weld on Connection) MASTER SOCKET SETS CSF stands as a leader

CSF stands as a leader in delivering cooling solutions that ensure optimal engine performance and reliability

1 Series (E81) — 2007–2013

The reduction in ride height also contributes to aerodynamic efficiency

7 Series (F02) — 2008–2010

Supersprint BMW F22 2 Series, F23 2 Series, F30 3 Series, F31 3 Series & more Stainless Steel Connecting Sleeve PipeFor the OEM Secondary Catalytic(Weld on Connection) MASTER SOCKET SETS CSF stands as a leaderThe Supersprint Connecting Sleeve PipeFor the OEM Secondary Catalytic(Weld on Connection) is a precision, direct fit stainless steel upgrade engineered for the BMW F22 2 Series, F23 2 Series, F30 3 Series, F31 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