Stacks on an Ex? - Diesel Forum

cafercr35 · 05-23-2009, 03:30 PM

Some may say this is a silly question...but.....I'm sure some have thought about it. Anyone ever see stacks on an SUV? Through the floor, through the roof....would there be an insulater tube strong enough to keep the heat out of the cab?, and also the noise? There's just something about the stacks that gets me going.....

yanvaryjt · 05-23-2009, 04:20 PM

You could mount it up the outside of the body like a military HMMWV (Hummer) with the fording kit (USMC HMMWVs came that way). Exhaust is routed out the front of the rear wheel opening then turns up angled slightly to the rear. Wish I had a picture to post.

Believer45 · 05-23-2009, 07:42 PM

LINK TO PHOTO of a model of an H1 Hummer with the high water exhaust. You can at least get the idea.

I have seen stacks on the outside of pickup trucks with caps and pickups with flatbeds that are actually wider than the cab. I have seen photos of a set on a Mustang LINK HERE that just looked silly to me. My personal opinion is if the exhaust is wider than anything else it looks funny. Running stacks inside tubes up (say 5" stacks inside an 8" tube) through the interior of an EX would warm up the inside of the vehicle, running them bare through the interior would get downright hot. Either option will drastically affect interior room.

You could run them inside of a double wall insulated chimney pipe from a wood stove to keep the heat out.

If this is not a serious question, good job. Got me a good one.

Dave / Believer45

cafercr35 · 05-23-2009, 10:31 PM

This is definitely a serious questions. I will be researching to find if this is possible, or if this has been done.

I agree that the pipes being wider just don't make any sense. I the ex was a dually and had the rear wheel tubes it may not look as silly.

As for the Mustang.....

thats just not right at all

Believer45 · 05-23-2009, 10:58 PM

Quote:

Originally Posted by cafercr35

This is definitely a serious questions. I will be researching to find if this is possible, or if this has been done.

Possible - anything is possible. The closest thing I can think of is the city busses that often have a stack come out of the roof at the left rear corner but that is actually coming up through the engine compartment, not the passenger cabin.

Monster Garage has done things MUCH stranger than this and made them work. If I were doing this I would look at something like THIS to run a 4 or 5" stack from under the truck to the roof. I would think with the air space between the stack and the inner wall and the space between inner and outer wall of the pipe itself you would have a lot less heat transfer from the exhaust stack to the interior. You will also need a good seal, firm mounting for the exhaust while it passes up through so you do not get interference.

Interesting - you would definitely have a one-of-a-kind vehicle, to say the least.

Dave / Believer45

cafercr35 · 05-23-2009, 11:10 PM

Nice Dave..over the next couple weeks I will be cutting some tubes and lying them on the roof, to see where I would place them. Behind the front seats? Closer to the rear of the rig?

I think a 4-5" tube inside an insulted 6-8" is the way to go. The insulted tube would actually come all the way through showing as a fat stack. Bigger is better....LOL

Also will be drawing up some sketches.

Thanks for feedback and info...unique is always what I'm looking to do. Staying away from "that looks stupid"....

Believer45 · 05-23-2009, 11:18 PM

I would lean toward eliminating the third seat and placing them behind the second row seats. Similar placement to a semi truck with stacks behind the sleeper, will not interfere with back doors, still have the second row seats if you ever need them.

RD97 · 05-24-2009, 08:49 AM

I wonder how it would look if you took some big, tall stacks (like the mustang above has) and used them them down under the rocker panels like the side-pipes on a first generation Dodge Viper. Not quite stacks, but still (IMHO) pretty cool lookin'.

Believer45 · 05-24-2009, 05:03 PM

Quote:

Originally Posted by RD97

I wonder how it would look if you took some big, tall stacks (like the mustang above has) and used them them down under the rocker panels like the side-pipes on a first generation Dodge Viper. Not quite stacks, but still (IMHO) pretty cool lookin'.

I saw a set on an F350 crew cab dually that came out just behind the front wheel wells and ran the entire length of the truck to turnouts just in front of the dual wheels on the back. That was a LONG set of turnout pipes. I thought it looked good, they were placed just below a set of the diamond plate running boards.

Dave / Believer45

rock_doctor · 05-24-2009, 07:39 PM

Quote:

Originally Posted by Believer45

I have seen photos of a set on a Mustang LINK HERE that just looked silly to me.

This is what you get when you mate a mustang and a semi- (notice the air horns on the roof and the mirrors) what you don't know is that it has a Cat under the hood. Probably a calico or some weird foreign breed.

therabbittree · 05-25-2009, 08:23 AM

Please don't mess up your Excursion. Your truck looks very nice. Stacks should not be installed in a Excursion, its rediculous?..stacks thru the interior? Thats as bad as people cutting their pickup caps to run the stacks out the cap's roof..look for some pictures of that ..it looks horrible. The resonation, heat, and lack of space would totally make your Excursion un usable. You could not put them behind the rear seat also as mentioned as the fuel tank and rear axle would get in the way ..if you installed them behind the front seats ..you would lose the rear seat seating area... which would make a Excursion useless. If you want stacks get a pickup.. both of my pickups have stacks .. it allows the truck to still be used as a truck. You can still haul things, and still be able to sell the truck or easily remove the stacks etc..if you cut the floor and roof of your Excursion to install stacks you would ruin the resale value of your Excursion, you'd lose seating capacity, and introduce a host of possible problems, vibrations, water leaks, heat and interior noise. The only way it may work would be to run them up the outside of the truck. But a 4" pipe has to be supported and allow the doors to open etc.. The Excursion exteroir does not have gaps in the door line etc..ie both doors meet with no separating post and the rear doors close in part of the rear wheel well, so the only location could be in front of the rear bumper and up the quarter panel. I can't think of a support bracket that would hold the weight of a small stack 4" etc and not marr the body ..
Some one please photo shop a few pictures with interior shots with large pipes running thru the floor, pictures of external stacks with ssome support braket, and some roof stack ideas.. and help cafercr35.

cafercr35 · 05-25-2009, 04:01 PM

Hey rabbittree - no worries brother, by no means do I plan to chop holes in my ex. This is a pretty cool topic to throw around. Of course if we could make it aroound obstacles, same as you mentioned, I would start cutting away. When things come to mind I like to through them out there and see what comes back. Although I might be reluctant to cut holes in my floors and roof, the mention of side pipes seems a pretty cool idea. If I didn't bring up the topic I my not of thought of it.

You must agree...."A stacked Ex" would look insane.

Thanks for your feedback....I hear ya loud and clear>

locknload223 · 05-29-2009, 07:56 AM

I've thought about this more as a joke though, well stacks and a goose neck.
I think the better choice for an X would be the big side drag pipes like on an old AC Cobra. They'd fit nice right under the running boards and you wouldn't lose all that interior space.

Stewey · 06-02-2009, 08:12 PM

I was travelling down Street Road in Bensalem Township, PA a month ago and a stacked Ex was going the other way. I whipped my head around so fast to take a better look that I pulled a muscle. Still haven't recovered. If I wasn't trying to get to a job on time I would have turned around and chased the guy down.

I travel that road often and I haven't seen the truck since.

locknload223 · 06-03-2009, 05:07 AM

Quote:

Originally Posted by Stewey

I was travelling down Street Road in Bensalem Township, PA a month ago and a stacked Ex was going the other way. I whipped my head around so fast to take a better look that I pulled a muscle. Still haven't recovered. If I wasn't trying to get to a job on time I would have turned around and chased the guy down.

I travel that road often and I haven't seen the truck since.

Were they internal?