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Scratched exhaust how to polish??

Scratched exhaust how to polish??

karlp
Senior Member
492
22-02-2018, 04:58 AM
#1
When I first cleaned my exhaust it was thick brown so I used some 800 grit to clean it down and it scratched it quite heavily and after hard polishing with metal polish it's still quite scratched, is there anything else I can use to take the scratches out??
karlp
22-02-2018, 04:58 AM #1

When I first cleaned my exhaust it was thick brown so I used some 800 grit to clean it down and it scratched it quite heavily and after hard polishing with metal polish it's still quite scratched, is there anything else I can use to take the scratches out??

is300_dino
Posting Freak
3,556
22-02-2018, 05:18 AM
#2
put some pics up mate lets see how bad the damage is then we can advise you a bit better hopefully get it back to its former glory

jae 2010 best lexus category show and shine winner
jae 2010 ice outlaw award 2nd place
jae 2011 ice outlaw award 1st place
is300_dino
22-02-2018, 05:18 AM #2

put some pics up mate lets see how bad the damage is then we can advise you a bit better hopefully get it back to its former glory


jae 2010 best lexus category show and shine winner
jae 2010 ice outlaw award 2nd place
jae 2011 ice outlaw award 1st place

karlp
Senior Member
492
22-02-2018, 07:43 AM
#3
Pic here
[Image: 70a9f458.jpg]
karlp
22-02-2018, 07:43 AM #3

Pic here
[Image: 70a9f458.jpg]

jimxms
Posting Freak
2,473
22-02-2018, 07:58 AM
#4
Well from 800 grit you really want to move up to something like 1000, 1500 then 2000. From there the metal polish will have a much greater effect.

Also, what polish are you using. Some have abrasives (Autoglym Metal polish) where others don't (Peek).

EDIT: it does look like the tip is quite heavily pitted though. In which case, it might be beyond repair.
jimxms
22-02-2018, 07:58 AM #4

Well from 800 grit you really want to move up to something like 1000, 1500 then 2000. From there the metal polish will have a much greater effect.

Also, what polish are you using. Some have abrasives (Autoglym Metal polish) where others don't (Peek).

EDIT: it does look like the tip is quite heavily pitted though. In which case, it might be beyond repair.

karlp
Senior Member
492
22-02-2018, 08:08 AM
#5
So should I wet n dry it at 1000, 1500 then 2000 then apply some metal polish?
Im using just a standard metal polish usual stuff from a DIY store.
karlp
22-02-2018, 08:08 AM #5

So should I wet n dry it at 1000, 1500 then 2000 then apply some metal polish?
Im using just a standard metal polish usual stuff from a DIY store.

jimxms
Posting Freak
2,473
22-02-2018, 08:11 AM
#6
Yep. Keep going at each grade until you can no longer see the scratches from the previous grade underneath. The easiest way to do this is to change the direction you rub with each grade.

As for the metal polish, something with a slight abrasive in it is best (unless you're going for mirror finish). What you've got is probably fine tho.
jimxms
22-02-2018, 08:11 AM #6

Yep. Keep going at each grade until you can no longer see the scratches from the previous grade underneath. The easiest way to do this is to change the direction you rub with each grade.

As for the metal polish, something with a slight abrasive in it is best (unless you're going for mirror finish). What you've got is probably fine tho.

Fry-Up
Posting Freak
891
22-02-2018, 09:42 AM
#7
Autosol is highly recommended for the finish
Fry-Up
22-02-2018, 09:42 AM #7

Autosol is highly recommended for the finish

jimxms
Posting Freak
2,473
22-02-2018, 09:47 AM
#8
Just as a side note (if you don't get the desired finish) - you could always go to an exhaust shop and get them to weld you a new tip on for a reasonable price Wink
jimxms
22-02-2018, 09:47 AM #8

Just as a side note (if you don't get the desired finish) - you could always go to an exhaust shop and get them to weld you a new tip on for a reasonable price Wink

karlp
Senior Member
492
22-02-2018, 10:15 AM
#9
cheers guys
karlp
22-02-2018, 10:15 AM #9

cheers guys

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