Unfortunately, the original clips catch on other elements during operation.
I tried many other designs, but something was always wrong. The hole for the tube or chain clip is too tight.
I designed my own version and after quite a long test I can say that in my opinion it works very well.
I printed PLA with a nozzle 0.4, layer 0.2, but during printing ABS with a closed chamber they were deformed. Finally, I printed it from ABS and after a few prints, the closed chamber is still intact.
Additionally, I added a few other shapes so that everyone could adapt to their own needs.

Creality K1 MAX PTFE tube holder

K1 MAX PTFE tube holder 1.stl

Pipe holder with a diameter of 100 mm, height adjustable.
I printed with PLA, nozzle 0.4, layer 0.2.

Adjustable 100 mm pipe holder

Long wall pipe holder..stl

Exhaust for Creality K1 MAX with clip mounts. For pipe with a diameter of 90 mm and 100 mm. I printed with PLA, with outer and inner brim and without support.

Creality K1 MAX exhaust with clip mount

K1_MAX_EXHAUST_100mm.stl

90 degree PTFE tube guide. 
I used [https://www.crealitycloud.com/model-detail/657e19d8937557724252afab](https://www.crealitycloud.com/model-detail/657e19d8937557724252afab), reducing the height to 50% 
and [https://thangs.com/mythangs/file/1026314](https://thangs.com/mythangs/file/1026314)

I recommend printing this in ABS or ASA.
I initially printed this in PLA, but it didn't stand up to the test of printing with a closed chamber. Ultimately, I printed it from ABS and so far it works.

Creality K1 MAX PTFE guide 90 degrees

K1 MAX PTFE v8 24 mm.stl

K1 MAX PTFE v6 26 mm.stl

K1_MAX_EXHAUST_90mm.stl

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Creality K1 MAX PTFE guide 90 degrees

Creality K1 MAX exhaust with clip mount

Creality K1 MAX PTFE tube holder

Adjustable 100 mm pipe holder

Creality K1 MAX exhaust with clip mount

Creality K1 MAX PTFE guide 90 degrees