Cosmin

is a process that takes top 30 min , and difficulty is 2 out of 10 , u may have to lower your back for a minute.
it may be better products out there but this method always works for me. just be aware that some chemicals out there may stain , so don`t try new things on your own car.
what you need is a metal polish paste , a metal sealant/wax , 1 microfiber towel and 1 terry towel. i have dedicated towels for wheels and exhaust.
after u wash the exhaust tips and dry them put a dime size of metal polish paste on terry towel and spread it ( 3 inx3in is ok) , rub gently the exhaust tips until the grime is remove , same on interior of the exhaust. wipe clean and apply metal sealant with a microfiber towel. now you should have protection for good months and next time when u clean them should be easier.

Products i use :

M3 Defector

Thanks! I was going to ask this very question.

uzj100

0000 steel wool is helpful if the grime is severe. Just dip the steel wool in your metal polish and apply as you would with a regular rag. Go over it again with metal polish and a rag, then buff off with a MF.