Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Turbo Downpipe Kit(Replaces pre-catalytic) M5 (G90 & G99) EXHAUSTS CSF Race Triple Pass Radiator

CSF Race Triple Pass Radiator for the BMW E9X M3 reduces the effects of heat soak and keeps your M3 running cool through prolonged periods of fast driving

Front: 20mm

- Rapid open / close valve function

Beyond its mechanical robustness

Improved Heat Dissipation

Supersprint BMW F97 X3 M, F98 X4 M, G20 B3 & G21 B3 Stainless Steel Turbo Downpipe Kit(Replaces pre-catalytic) M5 (G90 & G99) EXHAUSTS CSF Race Triple Pass RadiatorThe Supersprint Turbo Downpipe Kit(Replaces pre 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