Exhaust dumped after axle with spare tire....heat buildup?

sb127 · Dec 15, 2013

I removed the last section of pipe on my magnaflow so that it dumps just after it goes over the axle....I'm not a super big fan on the polished tips. I know other guys have done this but mostly without a spare tire mounted under the bed. The spare isn't in the direct line of fire of the exhaust, but it's close. I haven't done any long trips yet, but after a couple of 15 minute trips around town the spare doesn't seem to be getting more than just a little warm. Does anyone know if this will cause a problem for the spare or not?

Ruger · Dec 15, 2013

I don't understand. This is a solution to what problem, please?

sb127 · Dec 15, 2013

Ugly shiny tips that hang down just waiting to get ripped off.

BigBOSS · Dec 15, 2013

I'll be dumping my exhaust as well under the bed somewhere using a Magnaflow Turndown Tip #35180. I can't decide if I want it dumped after the axle or before.

cups · Dec 15, 2013

Mine dump behind axle. Haven't noticed any issue yet. I'll look for my pics.

MagicMtnDan · Dec 15, 2013

Ruger said:
I don't understand. This is a solution to what problem, please?

To avoid or replace this:

I may have been the first to do this to a Raptor:

You can see the post/thread here:
http://www.fordraptorforum.com/f160/ford-raptor-exhaust-modification-not-what-youd-expect-5369/

BTW, in tens thousands of miles there have never been any issues with the exhaust dumping after the rear axle. Well, except for that time the spare tire burst due to heat :signs8:

(just kidding).

Ruger · Dec 15, 2013

A little bent metal on a high speed off-road 4x4 that weighs 6,000+ pounds?
Nooooooooooooooo! That's awful!

(Um, they'll bend back just as easily, won't they?)

Maxx2893 · Dec 15, 2013

Some people have completely crushed there tips which causes significant back pressure do to the significant decrease in air flow. It looks bad and isn't good for your truck to crush your exhaust pipes this gets rid of a problem section. Why do you have such a hard on against this mod?

---------- Post added at 10:26 PM ---------- Previous post was at 10:25 PM ----------

But by all means, let me bend a "little" metal on your truck and see if you look for a solution for it.

cups · Dec 16, 2013

Here's my dump.

Wilson · Dec 16, 2013

cups you only have one pipe

Exhaust dumped after axle with spare tire....heat buildup?

sb127

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Ruger

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sb127

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BigBOSS

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cups

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MagicMtnDan

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Ruger

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Maxx2893

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cups

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Wilson

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