Do you need a different catalytic converter input/output diameter?
If you want a diameter larger than 63.5 mm then just cut the catalytic converter cone in the right one to the desired diameter and if 63.5 mm diameter is too large for the Shadow then you can get the reductions available in the link below:
Universal stainless steel catalytic converter with metal insert. Compatible with diesel engines.
The catalytic converter meets the requirements of the European directive:
Manufacturer's warranty: 12 months or 50,000 km.
MO20

CP20A

CP20

KS11
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
MP50

MO12

MP-A25
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
MO-A50
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
DP-A50
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
MP502

MO-A30
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
KSS11
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
MP501

DP50


MO-A16
Do you need a larger diameter than 63.5 mm? - Cut the cone in the right place. Want a smaller one? - use reduction:
MP22
