eastend
Member
Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
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Car is X16XE with
mantzle style inlet, bmc cda, de cat, superchip ecu with 7200 limit.
would the gain from a janspeed 4-2-1 manifold be noticeable? how many horseys will it free up?
also how much does it change the sound, love mine atm. Dont want it rasping?
i know ill definately be getting one as it is in my plans, but just wondering if it is worth spending now and getting one!
cheers
[Edited on 14-02-2008 by eastend]
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eastend
Member
Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
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anyone know?  thinking of an impulse buy 
[Edited on 14-02-2008 by eastend]
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dean101287
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Registered: 22nd Jul 07
Location: Cardiff
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i got one on my x16xe, its got a full system and a decat. sound didnt really change- a little more raspier higher up the revs but not really noticable and the rear of my car is stripped so I would notice.lol. I think it made my car pick up quicker in 4th but havent dyno'd it yet so duno about bhp.
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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i had one
loved it
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Dean_W
Member
Registered: 13th Dec 05
Location: Downham Market, Norfolk
User status: Offline
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I had one fitted to my 1.6.
Didn't change the sound. Car picked up better in lower revs, and felt a little bit more torquey.
Plus they are a good design.
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LukeD
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Registered: 23rd Jan 07
Location: Shropshire
User status: Offline
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how low do they actually sit?, because ive heard some manifolds sit very near to the ground and are a bad design. 
(sorry vague question)
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eastend
Member
Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
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I know there design is very good and they sit no lower than a standard manifold so you dont have any problems with it hitting the floor.
just trying to find if the gains will be noticeable? is it worth spending some money that i dont rellly have to spend in order to get one 
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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I can do a full stainless 4-2-1 for less than the RRP of a mild steel janspeed 
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gavin18787
Premium Member
Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline
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Stainless will be more respy though would it not.
I fitted a janspeed to mine, cant tell you the exact gains as i fitted a mantzel at the same time
But it now is alot more responsive lower down the revs and feels more torquey. Put your put down in 4th at 30-40ish and it will pull quite nicely compared to how it used too. I assume this is down to the janspeed rather then the mantzel.
Sound isnt that much different and it sit no lower then standard one. Im down 60mm on 14" gsi wheels and have no problems, Sump catches before manifold
[Edited on 14-02-2008 by gavin18787]
Drives supercharged Tec with torque  
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Superlite Ltd.
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Registered: 9th Jan 07
User status: Offline
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do it
I had a 4-1 on mine. It was rubbish at low revs
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marklawton
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Registered: 24th Apr 05
Location: Pensby, Wirral Drives:Golf mk4 GTI
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my bro has one amd made a bit ofdifference to his, iam hoping to get one soon
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dean101287
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Registered: 22nd Jul 07
Location: Cardiff
User status: Offline
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i hit mine the other day- well i presume it was that.
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ed
Member
Registered: 10th Sep 03
User status: Offline
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quote:
Originally posted by gavin18787
Stainless will be more respy though would it not.
If you use some decent exhaust wrap then it can act as a bit of a damper which will hopefully get rid of some or all of the rasp.
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