Mounting Stacks
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Elder User
Joined: Oct 2002
Posts: 516
Likes: 1
From: La Crosse, WI
Mounting Stacks
How is everyone mounting their stacks? Any pictures of underneath the bed area?
I have two 3" stacks that i used to have mounted in my bed before the body swap. Now with the nice new bed and 3" exhaust I have fabbed up off the ATS downpipe I want to get some ideas before I start in.
I have two 3" stacks that i used to have mounted in my bed before the body swap. Now with the nice new bed and 3" exhaust I have fabbed up off the ATS downpipe I want to get some ideas before I start in.
Thread Starter
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Elder User
Joined: Oct 2002
Posts: 516
Likes: 1
From: La Crosse, WI
These are the pipes I am working with:
tires are 39" for reference
I am thinking of just making the 3" hole in the bed and running some bolts through the flange on the stack and make a backing plate for it on the underside. Then welding a 3" 90* to the bottom of the stack and connecting to my current exhaust with something flexible to allow the truck to flex like it should.
Thoughts?
tires are 39" for referenceI am thinking of just making the 3" hole in the bed and running some bolts through the flange on the stack and make a backing plate for it on the underside. Then welding a 3" 90* to the bottom of the stack and connecting to my current exhaust with something flexible to allow the truck to flex like it should.
Thoughts?
Postmaster
Joined: Apr 2008
Posts: 4,802
Likes: 1
Looks decent on a dually, kinda brings the big-rig look to it, but on a SRW 4x4 I dunno... Those stacks you got sure look nice tho
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Postmaster
Joined: Oct 2005
Posts: 3,724
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From: Clarksburg WV
I stepped it up to 4" at the end of the downpipe. Originally had it going clear out the back, but just put the stacks on about a week ago.
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Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
You made your Tee the hard way.
The vertical cut can continue down to the bottom inlet which is how I made mine.
I guess not having two welds at the bottom let you use clamps to connect the elbow though, mine is welded.
The vertical cut can continue down to the bottom inlet which is how I made mine.
I guess not having two welds at the bottom let you use clamps to connect the elbow though, mine is welded.
Postmaster
Joined: Oct 2005
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From: Clarksburg WV
Glad I did too because I had a lot less vertical room than I had expected (notice the under bed pic).
Really wasn't hard to do either. Just a little measuring, a little cutting, a little fitting...and then welded it up.
Postmaster
Joined: Oct 2005
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From: Clarksburg WV
I bought the stacks from airflo.com.
They were originall $100 each, I got them for about $92 each because I tried to buy some they had listed on special and they were out, so they gave me a bit of a discount.
Shop around, you might find a better deal on ebay.
They were originall $100 each, I got them for about $92 each because I tried to buy some they had listed on special and they were out, so they gave me a bit of a discount.
Shop around, you might find a better deal on ebay.