Exhaust manifold tubing

[g20v6]

Can someone tell me the outer diameter of the primary tubes on the exhaust manifold on a 500, are they 1 1/2" or 1 5/8"?

Cheers simon

[2Munkys]

ID is 1 3/4"; dunno what the gauge is so can't tell you the OD. You have access to a 0 - 2" micrometer or vernier caliper?

[rev-erend]

45mm.. on the griff and Chim.

[clive f]

or 1 3/4"

[g20v6]

Thanks for the info.
Regards Simon