2019 Challenger Widebooty HellKitty (she's giving me the meatsweats...)

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motorheadmike

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Nov 18, 2009
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burt reynolds br GIF


Breaking the fourth wall... of parking.
 
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motorheadmike

Geezer
Nov 18, 2009
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Saskatchewan, Truckistan
First of the flapper valves came in. The other one is doing the literal hot lap around Western Canada.

PXL_20210703_204742930.jpg


This thing opens lightening fast! Startled me. I'd almost put it on a Hobbs switch once it senses boost it flips open. Decisions. Decisions.
 
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Rktpwrd

Builder of Cool Shjt
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Feb 2, 2015
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Calgary, Alberta, Canada
First of the flapper valves came in. The other one is doing the literal hot lap around Western Canada.

View attachment 179115

This thing opens lightening fast! Startled me. I'd almost put it on a Hobbs switch once it senses boost it flips open. Decisions. Decisions.

Who’s is it?? (Manufacturer)
 

motorheadmike

Geezer
Nov 18, 2009
8,976
27,522
113
Saskatchewan, Truckistan
Who’s is it?? (Manufacturer)

Sum Yung Giah from Chy-nah.

Had to order them from two seperate sellers. Since at the time each only had one available.


 
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Rktpwrd

Builder of Cool Shjt
Supporting Member
Feb 2, 2015
4,166
23,915
113
Calgary, Alberta, Canada
Sum Yung Giah from Chy-nah.

Had to order them from two seperate sellers. Since at the time each only had one available.



Sweet. I’ve got the Dougs Headers sliding knife version on The Juggernaut. I’d be interested to see how each holds up long term.
I’ve heard that the flapper valve style like you have can suffer from sealing issues once they get a bit carboned up.
 
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motorheadmike

Geezer
Nov 18, 2009
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Sweet. I’ve got the Dougs Headers sliding knife version on The Juggernaut. I’d be interested to see how each holds up long term.
I’ve heard that the flapper valve style like you have can suffer from sealing issues once they get a bit carboned up.

I am drilling holes in them since they are inline, not cutouts, so it shouldn't be an issue.
 
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motorheadmike

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Nov 18, 2009
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Got the day off from course. So I decided to start plotting out the x-pipe.

PXL_20210711_172134118.jpg
PXL_20210711_173402365.jpg
PXL_20210711_173714015.jpg
 
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motorheadmike

Geezer
Nov 18, 2009
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Saskatchewan, Truckistan
Well this was a PITA to build. Especially the tight pinch points.

PXL_20210711_201446551.jpg


PXL_20210711_201541695.jpg


Fusion (cold) welded the inside of the two mating pipes to make it easier to assemble. Worked out surprisingly well using a stubby #5 and back cap.

PXL_20210711_204649204.jpg


PXL_20210711_204838550.jpg


The goal was to have the inlet side 3.75" CL to CL, and the exit at 4.5" CL to CL. It was also made deliberately asymmetrical as the stock pipes are askew, favouring the PS if I remember correctly. The new mufflers are good being angled since the cars come with either bullets or case mufflers and there is lots of space.

PXL_20210711_230136704.jpg


PXL_20210711_230307659.jpg


Overal the fit-up was so-so, so the welds came out a little inconsistent. I also I am pretty f*cking tired. I will probably go over the inside with a penetrating pass to ensure... err... penetration. I will also be adding a brace between the two connected pipes.

One step closer.
 
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