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by **hassy21** » Tue Apr 28, 2009 2:53 pm

I plan on runnin 6 in stack on my truck with 4 in turbo back. I was wondering how you guys routed the exhaust or will it fit just right in the stock place? What did you guys do about the crossmember right underneath the front of the bed? Can anybody post some pics of there stacks in the bed and how they mounted them?

by **Richie O** » Tue Apr 28, 2009 2:58 pm

there are pics of my duals in this thread.

http://1stgen.org/viewtopic.php?t=4812

by **cumminz90** » Tue Apr 28, 2009 6:56 pm

on my setup i had to notch the crossmember with the plasma cutter c if i can get sum pics of it up

by **Richie O** » Wed Apr 29, 2009 5:00 pm

If you look at my pics you can see that I came into it at a different angle and place to avoid cutting the cross member. I also dumped it in the center for equal smoke in both pipes. Being 4x4 I had plenty of room between the bed and the driveshaft to get pipe hooked to it without any clearence issues.

by **cumminz90** » Wed Apr 29, 2009 5:28 pm

thats a pretty slick setup u got there

by **Richie O** » Wed Apr 29, 2009 5:31 pm

cumminz90 wrote:thats a pretty slick setup u got there

I had a lot of money in it but its what I wanted. I think it would have been cheaper to order a grand rock kit but I like how this set up runs.

by **peobryant** » Wed Apr 29, 2009 5:57 pm

Richie, you have any pics of how you ran it under the bed? I might stack mine.

by **Richie O** » Wed Apr 29, 2009 6:11 pm

I don't Parker. It is simple, at least on my application. Just below what you can see is flexpipe. The flex goes from there to original intermediate pipe. I just used an adapter on the 3 inch to go to 4 inch on the flex. In the future If I get a 4 inch dp and transfer case pipe I can hook the 4 inch flex right to that.

by **peobryant** » Wed Apr 29, 2009 6:23 pm

Richie O wrote:I don't Parker. It is simple, at least on my application. Just below what you can see is flexpipe. The flex goes from there to original intermediate pipe. I just used an adapter on the 3 inch to go to 4 inch on the flex. In the future If I get a 4 inch dp and transfer case pipe I can hook the 4 inch flex right to that.

Someone told me not to use flex? Is flex the way to go, or is there something "better?"

by **Richie O** » Wed Apr 29, 2009 6:32 pm

Every big truck I have ever owned or driven has flex pipe on it from the factory. I have no issues with flex. I got galvi instead of stainless. The price difference was huge. I think I paid 4 something per foot and stainless was 17 per foot. You have to have something that flexes some between the bed and intermediate pipe. If you used all pipe I bet it would mess up the turbo flange due to twisting action.

by **peobryant** » Wed Apr 29, 2009 7:40 pm

Richie O wrote:Every big truck I have ever owned or driven has flex pipe on it from the factory. I have no issues with flex. I got galvi instead of stainless. The price difference was huge. I think I paid 4 something per foot and stainless was 17 per foot. You have to have something that flexes some between the bed and intermediate pipe. If you used all pipe I bet it would mess up the turbo flange due to twisting action.

I knew I read that somewhere also. I want to run a single 5" turnout, but I can't bring myself to cut a hole in the bed. :mad:

by **hassy21** » Wed Apr 29, 2009 10:40 pm

on my truck i cant go to far back to put the pipe because i have a air tank directly above the driveline. So im guessing my only option is to notch the crossmember or relocate it further forward.

by **PToombs** » Thu Apr 30, 2009 5:13 pm

'91 Cummins wrote:I knew I read that somewhere also. I want to run a single 5" turnout, but I can't bring myself to cut a hole in the bed.

Just run it out underneath and up the outside of the box.

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