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Wet sand and polish exhaust

Discussion in 'How-To' started by xsellr8, Feb 11, 2018.

  1. xsellr8

    xsellr8 BANNED Established Member

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  2. xsellr8

    xsellr8 BANNED Established Member

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  3. Caseindaplace

    Caseindaplace Active Member Established Member

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    I just recently picked up a magnaflow catback - used $120 pretty old and nasty but I cleaned it up.

    I didn’t have a flapper wheel or a drill w/polishing attachment but I think I may need those once you see what I noticed is left over.

    If you check out the photos, could you tell me how to remove the lines in the bend as well as the black specs left over.

    I used 100 to 2000 wet sanding and mother’s mag polish.

    What do you think? IMG_1203.JPG IMG_1204.JPG IMG_1206.JPG IMG_1211.JPG IMG_1213.JPG IMG_1212.JPG


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  4. xsellr8

    xsellr8 BANNED Established Member

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    Looks good, but you may need to go deeper with the initial lower grit count (or start again at 600 at least). The switch from long strides to 90 degree cut like I did in the video may help- but it may just be how those are manufactured- who knows. make sure you don’t cut clean through it!


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  5. Caseindaplace

    Caseindaplace Active Member Established Member

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    Yes I may start again with the lower count, i didn’t want to ruin the shine that’s there now and have to start the process over. I’ll test a little area to see.

    I’m going to pick up the drill attachment as well.

    I heard the magnaflow steel is a different grade as the typical borla you see most polish jobs on so it won’t be the exact same. Not to mention it’s not anywhere close to a new system


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  6. xsellr8

    xsellr8 BANNED Established Member

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    perhaps hit it with some mag polish now and see how it turns out. It will be under the car, so it doesn’t need to be perfect


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  7. Caseindaplace

    Caseindaplace Active Member Established Member

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    I bet the mag polish with the drill will work better than by hand. I noticed even though the pipes are clean and shine - black residue is still coming off on the cloth I use. I’ll go charge the drill and get an attachment


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