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Thread: Residue On Exhaust Tip?

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    Protoo7's Avatar

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    Residue On Exhaust Tip?

    I have a ‘15 ram 6.7 with an Aisin trans 4x4 longhorn 93000 miles.

    It has not been deleted yet. I’ve been waiting for the warranty to run out.

    I noticed a couple of days ago some specs of white residue on the exhaust tip.

    Now it is all the way around the lip.



    What should I be looking at or checking to be causing this or is this normal?

    I’ve never seen it, but I’ve never actually paid attention.

    The truck runs good and strong no hiccups.

    I just trying to make sure I stay ahead of things.

    Thanks for your help.


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    TexNeck's Avatar

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    Re: Residue On Exhaust Tip?

    I don’t know first hand but my guess is that is residue from DEF.

    I know DEF dries white!

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    More Powa! RATLIN'HP's Avatar

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    Re: Residue On Exhaust Tip?

    Quote Originally Posted by TexNeck View Post
    I don’t know first hand but my guess is that is residue from DEF.

    I know DEF dries white!
    Agree! Condensated dried def sounds about right.

    Sent from my SM-A505U using Tapatalk

    2015 Black Laramie CCSB 3500 SRW. Thuren Leveled With Fox 2.0 Shocks. Ride Rite Rear Air Bags With Wireless Airlift Onboard Air. 35" Toyos. All The Options Minus The Soot Cookers. RaceMe Ultra.

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  7. Top Of Page | #4
    MOD watersupply189's Avatar

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    Re: Residue On Exhaust Tip?

    Looks like dried DEF


    2016 Ram Laramie 3500 (DRD), G56, 6.7, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

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    Protoo7's Avatar

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    Re: Residue On Exhaust Tip?

    Is this an indication of a problem?


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  10. Top Of Page | #6
    More Powa! RATLIN'HP's Avatar

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    Re: Residue On Exhaust Tip?

    Quote Originally Posted by Protoo7 View Post
    Is this an indication of a problem?
    Only if you want it to be!

    Sounds like you'll be taking care of it either way in the near future, but I don't believe if that's what it is, it would be a problem.

    Sent from my SM-A505U using Tapatalk

    2015 Black Laramie CCSB 3500 SRW. Thuren Leveled With Fox 2.0 Shocks. Ride Rite Rear Air Bags With Wireless Airlift Onboard Air. 35" Toyos. All The Options Minus The Soot Cookers. RaceMe Ultra.

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