How to paint rusty exhausts for aircraft (Scale models)

Quick tutorial for everyone who asked me about how I paint and weather rusty exhaust pipes for my scale models to look realistic. This time using my Ju-88 Nachtjagger in 1/48 scale.
Instagram: / moixmodels
Music from Uppbeat (free for Creators!):
uppbeat.io/t/color-parade/boo...
License code: T4C4I0ERBZBWSU4L
uppbeat.io/t/hey-pluto/nod-yo...
License code: VOKYTSHJCJVD7FJZ
René Martínez

[@normansmith8184]

Loved the relaxed style of making each step worry free. Great video.

[@HammerheadModelMaking]

Excellent video!

[@moixmodels]

Thank you!

[@marcelocampos8935]

What did you use after paint with xf1 the exhaust tip? Looks like a dry pigment