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A substantial increase is detected over a very wide rpm range
2mm pipework and fits from the catalytic converter section to before the rear box replacing the whole centre section
100% TIG-Welded vs
Available with the Carbon Fibre Inlay pre-installed as shown in the photos or included in the box for you to install yourself
Supersprint Catless Turbo Downpipes - BMW G80 | G81 M3 | G82 M4 B-Class (W246) A substantial increase is detectedNOT ROAD LEGAL Turbo downpipe kit (Replaces pre catalytic)
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