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D4 - FBH intake
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ballast
 


Member Since: 13 Apr 2007
Location: South Midlands
Posts: 181

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4
D4 - FBH intake

Morning all. Is the FBH air intake the same on the D4 as the D3, i.e. a bendy silver pipe to a black barrel (filter presumably?) zip tied to the side of the bracket?

Thanks

Chris
  
Post #223057717th May 2021 7:42 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8126

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Yes AFAIK, the exhaust silencer from a D3 will also fit on a D4 FBH.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #223058117th May 2021 8:17 am
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
Re: D4 - FBH intake

ballast wrote:
(filter presumably?)


Small detail: it is NOT a filter, but a intake silencer

So running without one, has only a tiny effect on the noise the FBH produces, no further protective function..
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #223058517th May 2021 8:24 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8126

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

That will be what I fitted to my D4 about 3 years ago, pinched it off the D3 before I waved good-bye Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #223058717th May 2021 8:30 am
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ballast
 


Member Since: 13 Apr 2007
Location: South Midlands
Posts: 181

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

That's just what I'm about to do Thumbs Up Very Happy
  
Post #223061117th May 2021 10:12 am
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ballast
 


Member Since: 13 Apr 2007
Location: South Midlands
Posts: 181

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

I'm still a bit confused about the difference between the inlet on the D3 and D4.

On this image, it shows the typical D3 inlet, i.e. the silver flexi pipe going to the little black filter thingy attached to the side of the FBH frame.




But on this image it's going to the left towards the header tank (as it does on my D4), but on mine it's not terminated with anything, it's just kind of hanging there. Obviously it must have changed. Where should the inlet pipe go on a D4 and should it have anything on the end?




Thanks

Chris
  
Post #223085418th May 2021 8:20 am
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MKDS
 


Member Since: 13 May 2020
Location: Vienna
Posts: 22

Austria 2008 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

I know I am a bit late to the party but just to answer this in case someone stumbles upon this in the future (as I did):

(1) The black cylinder on the D3's FBH is indeed the intake silencer. It tends to come off at some point and when it does, it touches the (hot) exhaust and melts. I have transferred mine a little higher on the FBH's bracket.

(2) As far as my research goes, the D4 seems to come without any intake silencer without much increase in noise. The intake flexi pipe is routed a little different as shown in the post above.
  
Post #234540717th Aug 2023 7:47 pm
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