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Exhaust hangers done the right way?

anwat

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I welded my rearmost exhaust hangers on last weekend thinking it would avoid the bolts working loose. Then, I started thinking there must be a reason the OEM guys always have something flexible in the hangers. So, I went searching through the posts regarding exhaust hangers on here, all the photos I can find show some sort of flexible washers or strapping between the exhaust and whatever it's bolted to. So, I figured that was the way to go. I went one step further, and did it like the OEM guys, and used one of those rubber style insulators. Problem is, now there's so much movement that the tail pipe knocks on the frame and makes way too much annoying noise. Plus I can't think that movement is good, something is going to crack or work loose.

So what's the correct way to hang your exhaust pipe. Does it need flex, or is a hard connection OK? Why is the flex important to have? If it's there towards the front of the system, do i need it in the back?

Just to answer any questions up front, I'm running Headman Headers, and there's no crossover, each side goes straight to the back. The first couple of hangers are thick strapping, sort of like a piece of tire tread.

Would I be OK to cut that rubber insulator in half, use half of it for each side where I bolt the hanger to the frame, and then just bolt it up like in the last photo?

What's the right way to do this?


IMG_0394.JPGIMG_0391.JPGIMG_0397.JPG
 
With the vibrations from the exhaust it will resonate inside the vehicle with rigid mounts, plus it normally causes the weld to crack.
 
OK, so as long as I don't have metal to metal, and I'm supporting the weight of the exhaust, I'm good it would seem. I don't need to worry about movement, it's the noise that I'm trying to avoid, correct? I thought it may have something to do with the movement of the engine independently from the frame.

I'll look for or make some of those rod things which I take it are bolted to the truck and welded to the exhaust. Thank you!
 
Those oval shaped long rubber band type are normally used in pairs, pulling towards both sides of the vehicle. They are too floppy for a single vertical mount.
 
I can vouch for that...it sounded like someone with a cymbal at the back of the truck with that piece holding it. Here's what I did until I can get some of those rod hangers.

IMG_0400.JPG
 
I have yet to find a exhaust hanger that actually looks good, It has upset me so much that I have solid welded it to the frame...
 
Clearly, I'm not too worried about how it looks. We'll see how this works and lasts, I may go back to that myself.
 

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