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Janspeed Manifold

  • Bigchridy
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21 Nov 2010 19:36 #6257 by Bigchridy
Replied by Bigchridy on topic Re: Janspeed Manifold

mcjimny wrote: KAP list a full competition exhaust inc fanimold for £625iirc. I've no idea if its stainless though or road legal.

There was an article in a mag i read a few months ago where they went to Janspeed and they knocked up a system from scratch for some retro car. They are quite open to one offs apparently, i would presume it all depends on the depth of your pockets! Exhaust technology isn't straightforward and the length of the primaries is critical especially on a n/a engine so it would need to be the right place of course.
There are plenty of custom places Primary designs, Hayward & Scott are 2 off the top of my head.


I would love a full system but will settle for a meatier note from a backbox or cat back. In all honesty unless its a racer where any breathing/performance gains mean anything the cost would far outweigh any gains. You could de-cat it or run a sports cat where there will be small gains but again it will almost certainly fail an mot and the latter is £££'s.

I've seen the full system on the kap web site but they dont have any pics of it and I dont no anyone who has one fitted. I will also settle for a meatier note from a back box etc but not sure where or what to go for. I dont want it to sound too boy racery as I've been there an done that and I like my ears!!!

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  • mcjimny
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21 Nov 2010 19:56 #6259 by mcjimny
Replied by mcjimny on topic Re: Janspeed Manifold
I think its fitted to the kap racer but other than that i've only seen pictures on difflock of the back box which is apparently quiet.

I don't want to have anything too loud either especially when its droning away at motorway speeds. I think its a case of forking out for a custom beastie until someone comes up with an off the shelf solution.

Exhausts seem to be hot (pun intended!:whistle: )topic at the minute on here

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  • gazert
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21 Nov 2010 20:38 #6262 by gazert
Replied by gazert on topic Re: Janspeed Manifold
I have a powerflow back box and it burbles like an escort rs!

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  • biggaz
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21 Nov 2010 21:07 - 21 Nov 2010 21:08 #6270 by biggaz
Replied by biggaz on topic Re: Janspeed Manifold
Think im gonna price one up, theres a one in newcastle....

reckon about 120-60 ish?


Got any vids gazert????
Last edit: 21 Nov 2010 21:08 by biggaz.

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