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Author Best manifold (hear me out)
TomWilly
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Registered: 20th Sep 05
Location: Bristol
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1st Dec 07 at 12:33   View User's Profile U2U Member Reply With Quote
Help needed ASAP, new car was supposed to be on the road tomorow, but due to bolts snapping off in the manifold (front pipe ones) im going to get a 4-2-1 or something.

What is the best performance exhaust manifold for a X16XE corsa sport?

probably looking +/- £200

Janspeed any good?

There are St. Steel ones on the bay for £200

Dave A any ideas haha
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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1st Dec 07 at 12:34   View User's Profile U2U Member Reply With Quote
Janspeed are the best with the 4-2-1, iirc they are good for lower to mid range, whereas a 4-1 is upper rev range where you will see gains.

and this si the cheapest place i could find to get one, and i think its a very good price.

http://www.europerformance.co.uk/pages/products/category_results.mhtml?category=janspeedmildsteelmanifolds&car=vauxhallcorsa&manufacturer=janspeed&sub_category=1

[Edited on 01-12-2007 by eastend]
TomWilly
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1st Dec 07 at 13:30   View User's Profile U2U Member Reply With Quote
thanks for the quick reply dude, do you have that one?, is your car lowered at all? Is that the manifold which sits quite low?
eastend
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1st Dec 07 at 13:32   View User's Profile U2U Member Reply With Quote
i believe the janspeed is the one that doesnt hit on the floor as it has a good design. i think it is the protech 4-1 that hits the floor regularly.

my car is lowered but funds and other plans have stopped me from getting the manifold, but janspeed would definately be my choice
jr
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Registered: 20th May 02
Location: Kent
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1st Dec 07 at 13:32   View User's Profile U2U Member Reply With Quote
janspeed ones are ok, dont sit low, best of the mild steel ones bar the BTB ones
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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1st Dec 07 at 13:58   View Garage View User's Profile U2U Member Reply With Quote
i would go for mild steel over stainless anyway
Dave A
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Registered: 10th Dec 03
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1st Dec 07 at 14:52   View User's Profile U2U Member Reply With Quote
best ones are these:






made by Vsport £295, mild steel. as used on mine and Brosters cars but they dont directly fit a corsa standard exhaust.
jr
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1st Dec 07 at 15:00   View User's Profile U2U Member Reply With Quote
in what way is it the best dave
Dave A
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1st Dec 07 at 15:08   View User's Profile U2U Member Reply With Quote
time and time again it has proven to be the best manifold for power gains and to give a good spread of torque accross the rev range when tested back to back on a dyno.
Dave A
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1st Dec 07 at 15:15   View User's Profile U2U Member Reply With Quote
and I dont take credit for the desing, infact I put virtually no design work into the manifold, its a copy of another manifold that is available from a well known tuning company for the bargain price of £480.
broster
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1st Dec 07 at 15:18   View Garage View User's Profile U2U Member Reply With Quote
i recognise these pictures
TomWilly
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1st Dec 07 at 15:25   View User's Profile U2U Member Reply With Quote
Althought that custom manifold looks exquisite, its out of my budget.

Have you tested any cars with janspeed items on Dave?

JR, have you had a Janspeed item on yours?

Thanks
Dave A
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1st Dec 07 at 15:26   View User's Profile U2U Member Reply With Quote
janspeed is good for the cash, will do the job fine.
jr
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1st Dec 07 at 15:28   View User's Profile U2U Member Reply With Quote
just wonderd dave

Tom yeah had a janspeed on the c16 hybrid in J18, was fine for the cost etc
TomWilly
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1st Dec 07 at 15:28   View User's Profile U2U Member Reply With Quote
Thanks for the helpful replies all
coke-gsi16v
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Registered: 21st Jun 07
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1st Dec 07 at 15:33   View User's Profile U2U Member Reply With Quote
i have lexmaul on mine, does not hit the floor at all and my car is lowered 60mm at front an 80 on rear. not sure on price but defo worth a look
Dave A
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1st Dec 07 at 15:37   View User's Profile U2U Member Reply With Quote
lexmaul seems to be identical to the janspeed from what I have seen, broster will back me up on that probably. its £380 and its made from stainless.
broster
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1st Dec 07 at 15:50   View Garage View User's Profile U2U Member Reply With Quote
janspeed and lexmaul do seem identical yes, i had a supersprint one on my old engine, did me well for 190bhp....
csweatherston
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1st Dec 07 at 16:34   View User's Profile U2U Member Reply With Quote
i thought the protech showed better gains (for those chasing bhp) than the btb, sbd, vsport manifolds???...


correct me if im wrong.

(although protech ones sound wank in there standard forms.)
Jenko_Sport
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1st Dec 07 at 17:59   View User's Profile U2U Member Reply With Quote
Ive got a janspeed one on mine and does the job.

On a standard engine bar panel filter and cat back exhaust and janspeed 4-2-1 on my x16xe i got 113.6bhp on the rollers
STEvieXE
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1st Dec 07 at 18:00   View User's Profile U2U Member Reply With Quote
my xe janspeed manifold was a terrible fit, had to shave it in places to get it on the car
gavin18787
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1st Dec 07 at 18:32   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by eastend
Janspeed are the best with the 4-2-1, iirc they are good for lower to mid range, whereas a 4-1 is upper rev range where you will see gains.

and this si the cheapest place i could find to get one, and i think its a very good price.

http://www.europerformance.co.uk/pages/products/category_results.mhtml?category=janspeedmildsteelmanifolds&car=vauxhallcorsa&manufacturer=janspeed&sub_category=1

[Edited on 01-12-2007 by eastend]




Ordered mine from there and it arrived very quick, cheapest price around too


Very happy with mine, dosent sit any lower then the standard one and I think it has made a nice difference to the way it drives. Picks up much nicer lower down in the revs

this is on a 1.6 16v engine btw

[Edited on 01-12-2007 by gavin18787]

Drives supercharged Tec with torque
TomWilly
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3rd Dec 07 at 17:45   View User's Profile U2U Member Reply With Quote
cheers gav!

Stevie, was that a X16XE you had trouble fitting?

Im probably going to be using new studs and nuts, wheres the best/cheapest place for these?

Thanks
Dave A
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3rd Dec 07 at 19:58   View User's Profile U2U Member Reply With Quote
any nut and bolt stockist.

go to yell.com and look for nut and bolts in your area, also try 'fastners'
Daimo B
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4th Dec 07 at 09:45   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
and I dont take credit for the desing, infact I put virtually no design work into the manifold, its a copy of another manifold that is available from a well known tuning company for the bargain price of £480.


Lexmauls one?

Seriously though, Dave, you had any Lexmaul manifold (exhaust) Corsas come in? Never saw another Lexmaul after Donnas 1.6 one, and always wondered how good they were (due to her power readings). Then i think Janspeed copied the design and made it out of mild steel for under £200 (Lexmaul was like £360 I think).

Just wondered if u'd had any in...

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