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Dual height inlet stacks |
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greenman1966
Moto2 racer Joined: 06 Jul 2016 Location: New Zealand Status: Offline Points: 146 |
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Posted: 01 Dec 2020 at 08:20 |
Has anyone tried making these. https://www.thingiverse.com/thing:3742217
I printed some today in pla+, they're for 51 mm throttle bodies. They came out ok, so I've got some petg on order to make a proper set to trial. Dennis
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426hemi
Premium Member owner of the big bore! Joined: 30 Mar 2012 Location: cannock Status: Online Points: 5677 |
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The link doesn’t work but stepicenti has been making dual height stacks for quite a while now.
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redratbike
Moderator Group The Collector Messiah Joined: 07 May 2008 Status: Offline Points: 16147 |
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Yes lots of people jumped on the back of stepisenti although people were making theses with standard parts a long time before
Ensure your plastic is petrol resistant as some spray back make determinate them and could fail and get sucked in the motor
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www.apriliaperformance.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk |
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redratbike
Moderator Group The Collector Messiah Joined: 07 May 2008 Status: Offline Points: 16147 |
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Oh and they work too!!!
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www.apriliaperformance.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk |
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Colly
Moto3 racer Joined: 26 Nov 2017 Location: St Helens Status: Offline Points: 55 |
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Mate of mine took is stacks out,wheelie machine
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tfcoulson
Moto2 racer Joined: 23 Oct 2016 Location: Ireland Status: Offline Points: 160 |
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camngetit
Premium Member Joined: 28 May 2009 Location: nottingham uk Status: Offline Points: 1440 |
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Why does it make it all bottom end power
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its twins for me !!!!
www.apriliaperformance.co.uk www.apriliaforum.co.uk www.apriliaownersclub.co.uk |
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Colly
Moto3 racer Joined: 26 Nov 2017 Location: St Helens Status: Offline Points: 55 |
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After seeing my mates bike go when were both out together on the same bikes,im defo taking mine out
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Hangry
Moto GP Alien Joined: 22 Feb 2018 Location: Cornwall Status: Offline Points: 646 |
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Always thought that shorter stacks more top end longer more bottom or mid range.iv got the carbon dual stacks and can say they are very good in both areas
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greenman1966
Moto2 racer Joined: 06 Jul 2016 Location: New Zealand Status: Offline Points: 146 |
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I went for a good test ride last night and now it will pull a higher gear. 6th is good to go from 4000 rpm onwards, sometimes even as low as 3500, whereas before 6th was more of an overdrive gear and I never used it. Now I'm riding a wave of torque in any gear, it doesn't bog or suddenly come on the power, it just pulls. Very linear. Great improvement.
Yes, I've already got a modified collector, mille air boot, standard filter and airbox, Gabro chip.
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