Box5

I was just thinking about it, if u leave ur truck out in the rain if it's got a stack or two, wouldn't the bottom of the DP collect with a bunch of water? Does it just get blown out the next time u start it? I know...strange thread, lol.

Rob C

most drill small holes at the bottom to allow them to drain

Box5

that would definently make sense. Plus u can't hear a hole in the exhaust when u have stacks, lol.

XLR8R

Drill a small hole in the low point of the exhaust - otherwise you'll spray a geyser of black pookie all over the truck 1st time you fire it up after a good rain.

meangreen96

Or you could put flappers on it like a tractor. haha

rip 112

No matter what my truck blows soot over everything. It would have to rain at least 2ft to cause any damage (reach the motor).

muddin_mavric

i never put a hole in mine. I figured like was all ready stated it would have to rain at least 2 feet to fill up high enough to reach my engine and it if rained 2 feet i think i will have a lot more problems than my exhaust being full of water. On mine i have a short section of flex pipe that fits loose enough that soot blows out so i figure the water can come out there if that much even gets in there.

kelownadiesel

yeah most would leak a little anyways,I know mine does just slightly from the flex as well

kawiram

I had flappers on mine and it still got water in it. Messy stuff!

dakar

More fun in Wisconsin in the winter...shoot huge plumes of snow in the morning and even some chunks of ice after a *really* good snow storm during a day at work

Pooter

My setup never did, had some real downpours to test it out too...

I just made sure my preformed band clamps were orientated with the block/gap facing down, always let the water have a place to drip out.
Never had a black shower on startup.

RowJ

They would work... but I always thought they looked funny on our trucks! (personal preference, I guess).
You could make some plastic 'bootys'.... like golf club head covers.... just for the occasional heavy weather.

RJ

Ground Shaker

I always thought flappers looks funny on miter stacks. The soot on the morning after a big storm is always fun. You start your truck up, and as you look out your front windshield, a cloud of black soot falls on it. Everyone always tells me its going to rust. With all the black soot coating the inside of that pipe and any hole that maybe in it, where is rust going to touch bare metal at all?

Buckshotmckee

If you get a clamp together kit, there are enough gaps to not need to worry about the exhaust filling up with water. Here is what I did with my stacks on my 2nd gen.

wannadiesel

Here's a tip I learned from somebody on here and used when I put my stack on. Run the 4" pipe up inside the larger stack, stop about a foot from the end. Drill drain holes in the adapter. When it rains, most of the rain will run down the inside of the "show" stack and never get into the exhaust. Keeps my truck mostly unfreckled.