Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Front Exhaust - No Resonated (Deletes the Secondary Catalytic) Product Type_Bolts Thread Pitch: 1

Thread Pitch: 1

Suitable for Touring versions with rear air suspension

no modifications required

rapid gear changes and aggressive cornering

Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Front Exhaust - No Resonated (Deletes the Secondary Catalytic) Product Type_Bolts Thread Pitch: 1The Supersprint Front Exhaust No Resonated (Deletes the Secondary 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