Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Front Exhaust with Metallic Catalytic 335i (F30/F31/F34) EXHAUSTS ALPINA B3 (G20) Sedan 4x4

ALPINA B3 (G20) Sedan 4x4 (S58 - 462 Hp - models with OPF) 2020 -> 2022 (with valve)

BMW 2 Series convertible (F23) 230i (2014–2021)

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Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Front Exhaust with Metallic Catalytic 335i (F30/F31/F34) EXHAUSTS ALPINA B3 (G20) Sedan 4x4The Supersprint Front Exhaust with Metallic Catalytic is a precision, direct fit stainless steel upgrade engineered for the BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3. 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