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:

https://kat-eko.com/pl/akcesoria/398-2602-stozek-redukcja-rury-wydechowej-rfc.html#/106-srednica_stozka-635_50_mm

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

SEE THE PRODUCT

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

SEE THE PRODUCT

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

SEE THE PRODUCT

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

SEE THE PRODUCT

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

SEE THE PRODUCT

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

SEE THE PRODUCT

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

See the product