ND-Photo.nl 's - Seat Leon ST Cupra 280

nd-photo.nl

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Mar 6, 2012
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The original brake booster hose was cut for providing vacuum for the cutout valve, but I bought a brand new second hand item. I don't like when critical hoses are cut...:wtf:

I swapped over the MAP sensor for this hose from my car, as I have no idea how old this MAP sensor is. I also replaced the green O-ring for a brand new green nitril O-ring.

Partnr: 5Q0612041AR

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Michael_LeonV

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Jul 8, 2024
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@Michael_LeonV Let me know which gauge you picked :rocker:
Struggling to find one atm, as do not need it visible all the time, but looking at something like this one


that I can then connect and have it in the centre console, and place it somewhere visible when desired, as there isn't really the dash space to mount a 2" guage.
 
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nd-photo.nl

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In the meantime I tried 2 other standalone vacuum pumps for the cutout valve, but both did not work correctly :shrug: So I decided to re-use the vacuum solenoid which was already in the car, but with some changes:

- Used black heavyduty / reinforced vacuum hose for the cutout valve, instead of cheap blue silicone hose
- Tapped vacuum from the turbo boost gauge line, instead of the brake booster hose
- Incorporated a one way check valve to prevent boost leaks, instead of not using a check valve
- Connected the solenoid to a switched 12v in the fusebox under the bonnet, instead of directly on the car battery

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nd-photo.nl

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Mar 6, 2012
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Added a little heat management to the fuel feed hose. Unfortunately, I'm not very happy with the fitment, so I will have to see what I will do in the future. As petrol also cools, I wanted to help a little as the feed hose runs directly over the hot engine.

Most of the wrap isnt even visible. Its quite thick layered and has velcro at the edge for easy attachment.

On the right side of the HPFP you can also see the check valve for the vacuum solenoid (picture 2 & 3)

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nd-photo.nl

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Mar 6, 2012
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As I mentioned before, I wasn't totally satisfied with the oval tips. So I went ahead and took a little gamble on 2x round 101mm exhaust tips 😍 I was inspired by the Golf MK8 GTI and they worked out great!

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Fisting test approved 🙊

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They are massive

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Quality is nice, but not perfect. But at this price point, I am not complaining at all

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51mm inner diameter for the inlet side (ID)

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99mm inner diameter for the exhaust side (ID)

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About 17cm in total length

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nd-photo.nl

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Mar 6, 2012
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This was more or less me, after fitment :rofl:

Happy Little Girl GIF by Demic



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The inside of the tips need to become black. That will happen in time with carbon soot, no worries there

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I think it will look even better/more aggressive with the Rieger Tuning diffuser
Robert Redford Nod GIF


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Looks even better in daylight hehe

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