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-   -   How to increase tail pipe size?? (http://www.ramforumz.com/showthread.php?t=117941)

Jonzee 07-26-2012 04:13 AM

How to increase tail pipe size??
 
I own a 2012 Dodge Ram 1500 Crew Cab Sport with dual stock tips. Can anyone tell me how to increase my stock 2.25" tail pipe to a 4" tail pipe? I'm still running the stock cat back from Dodge. I bought gnarly 5" rear tips that require a 4" inlet pipe. I would prefer keeping my resonators in place but not sure on that one (trying to defeat the drone thing) but it limits how much room I can play with, so I'm on the fence with keeping the resonators. My new black 5" tips are 12" long!! So I have to figure out a way to fit a 4" pipe to the 2.25" stock pipe. Need some sort of (short joiner) to connect both size pipes. The muffler shops say they need lots of room to fit increasers ie 2.25" to 3" diameter then another increaser from 3" to 3.5" and so on. So thinking outside the box here perhaps I should visit a machine shop to build me a (joiner) from 2.25" to 4" ??? Sorry for the long post folks. What have other people been doing?

Thanks for any comments/suggestions

nitrox28 07-26-2012 04:36 AM

I took mine to Exhaust Pro and told them that I wanted 2 stainless steel 4 inch tips. $80 later I was good to go.

gusman 07-26-2012 07:18 AM

cheap and easy way.. buy a pipe that fits the 2.25" pipe and one that fits the 4", get a piece of 1/8" steel.. cut a hole in the steel the size of the inside diameter of the 2.25" pipe, weld it on, then cut the steel plate to the size of the outside diameter of the 4" pipe, weld that on. now you have an ugly but functional adapter that takes up about 1/8" of space

snrusnak 07-26-2012 08:10 AM

Quote:

buy a pipe that fits the 2.25" pipe and one that fits the 4", get a piece of 1/8" steel.. cut a hole in the steel the size of the inside diameter of the 2.25" pipe, weld it on, then cut the steel plate to the size of the outside diameter of the 4" pipe, weld that on.
That's the easiest way

Jonzee 07-26-2012 01:58 PM

I found some !!
 
Thanks for the help fellow forum friends!! I found the exact part on the RBP website: 2 of RBP 95005 2-1/2" Inlet to 4" Outlet Custom Application Exhaust Tip Adapte

These are exactly what I was looking for....Now I'm happy!!!:smileup:

gusman 07-27-2012 07:15 AM

Isnt the stock pipe on those 2.25"? I was under my buddy's '12 last weekend def looked like 2.25 not 2.5"

snrusnak 07-27-2012 08:02 AM

ya and he typed that originally but that link is for 2.5"...

Jonzee 07-27-2012 04:17 PM

Yeah 2.5" inlet was all that was available but will still work with minor adjustments


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