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edited 25-01-2009 19:51

Fitting a Janspeed manifold
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Well today I fitted my new Janspeed manifold but boy was it awkward. Perhaps it was just me or maybe Janspeed changed their design slightly but I found that there was next to no space to tighten the 2nd nut. So bad was the lack of space that I couldn't use my new manifold nuts on 2 of the studs and I even shortened the thread a bit on the 2nd hole because it was very close to the number one exhaust runner.

Did anyone else have any problems fitting their Janspeed manifold?

Nasty 25-01-2009 19:52

It is tight, but a multitude of different spanners gets the job done!

Yes they have changed their designs a bit recently, also they don't make them in stainless anymore.

edited 25-01-2009 19:58

I was using a standard 15mm open ended spaner. Not sure what else there is to use. A ratchet spanner would have been great but there was no room for it to fit.

samsexpress 25-01-2009 20:07

just perciver/shout/swear at it (always makes me feel better) :)

edited 25-01-2009 20:14

Its just one of those things that everyone seems to fit yet as soon as I do the bloody thing is a nightmare to fit all because of one or two buts being blocked by the exhaust system.

zrjace 25-01-2009 21:47

i read sumwhere you have to buy the sports cat to to fit the janspeed manifold,becasue the standard cat wont be a direct fit?

edited 25-01-2009 23:12

I fitted a de-cat on mine but will buy a sports-cat closer to MOT time. On mine, the OE cat was integral with the downpipe so the only way you could make it work would be to get the likes of powerflow to chop your OE cat and make up a link piece to the janspeed manifold.

Mattchew100 26-01-2009 09:12

janspeed manifolds for the 105 were never stanless anyway nasty iirc always mild steel

Nasty 26-01-2009 10:23


Originally Posted by Mattchew100 (Post 1337412)
janspeed manifolds for the 105 were never stanless anyway nasty iirc always mild steel

Actually they were. Originally all the R200/R25/ZR manifolds were stainless but Janspeed had big problems with the design cracking under usage. There were very few that did last but they had to change the material to keep the design ;)

Light Sabre 26-01-2009 13:12

crowsfoot spanner normally gets in there

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