O series turbo
Standard Diameter = 50mm
Recommended max diameter = 63mm
Prima/MDi turbo
Standard diameter = 50mm
Recommended diameter = 63mm
VM 2.5
Standard diameter = ??mm
Recommended diameter = ???
L series
Standard diameter = 63mm
Recommended diameter = 63mm mandral bends
BMW derv????????
Please add info as you see fit and I'll tidy it up occasionally.
Exhaust info
Re: Exhaust info
L-series
Inner diameter = 55mm
Inner diameter = 55mm