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Author 4 branch manifold
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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20th Oct 05 at 12:52   View User's Profile U2U Member Reply With Quote
What is the ideal 4 branch manifold to use for performance then? and would you take cat out or get a sports cat. i know about the inlet manifold so that sorted just the exhaust manifold i need help with.
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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20th Oct 05 at 13:52   View User's Profile U2U Member Reply With Quote
what dya want better top end performance or better midrange performance.

Ideally, and this applies to my engine 16se I've got a 4-1 manifold, it didnt cost me anything and is ment for the exhasut system I have. which is 2.1/2 bore straight threw with a rather modest backbox.

Personally, I'd be tempted to go for a 4-2-1 manifold into 2 1/2 system get rid of the de-cat. My corsa 14xe went really well with an sim Ashley set up minus the manifold.


[Edited on 20-10-2005 by Rexy]
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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20th Oct 05 at 14:05   View User's Profile U2U Member Reply With Quote
better midrange would be the prefered option. so i should get rid of the cat and and run stainless all the way back?i already have a backbox on it only little though.
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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20th Oct 05 at 14:17   View User's Profile U2U Member Reply With Quote
Pmsl little, thats flappin Hooge.

I only really know about cheap exhaust systems which are purly to improve power not looks (ashley, sportex etc), I'm sure a full stainless exhaust system and manifold woul cost a lot, as well as weighing more that a mild steel. (i'm all about weight reduction/performance on a budget etc)

4-2-1 Manifold would/should be ideal for you.

[Edited on 20-10-2005 by Rexy]
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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20th Oct 05 at 14:23   View User's Profile U2U Member Reply With Quote
Improvement in power is what i want.
Give me some prices then for the performance side of things then? which is what i am after not looks (except the backbox). I am on a budget so somethin for nothing or very little is always good.
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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20th Oct 05 at 14:26   View User's Profile U2U Member Reply With Quote
Okies, ashley full exhasut system inc manifold. you might have to ask them and take your car to them as they dont make a De-cat. I swear by ashley, never had a problem with them at all and my old system is on a corsa GSI atm.

Give them a ring or find there wedsite for prices. People will no doubt reccommend other tuning companies, but for power:£££ you cant compalin
Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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20th Oct 05 at 14:47   View User's Profile U2U Member Reply With Quote
top draw mate i shall do that when i get home. you going to bolt-on cruise 2nite then let us know coz i'm on about going but not sure where it is in bolton

let us know asap coz finish at 4pm
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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20th Oct 05 at 14:59   View User's Profile U2U Member Reply With Quote
No matey, i dont bother any more..
Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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20th Oct 05 at 16:20   View User's Profile U2U Member Reply With Quote
2.5" is a little big for a 1.6 isnt it? My XE is only 2.25"
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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20th Oct 05 at 16:23   View Garage View User's Profile U2U Member Reply With Quote
ive got 2.75 i think ive only got a 1.4
Adam_B
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Location: Lancashire
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20th Oct 05 at 17:20   View User's Profile U2U Member Reply With Quote
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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20th Oct 05 at 20:55   View User's Profile U2U Member Reply With Quote
2.25 is the correct size, My bad. Didnt think 2.50 sounded right lol ah well Blonde moment.

[Edited on 20-10-2005 by Rexy]
random dav
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Registered: 7th Jan 04
Location: NSW
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21st Oct 05 at 12:39   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Rexy
2.25 is the correct size, My bad. Didnt think 2.50 sounded right lol ah well Blonde moment.

[Edited on 20-10-2005 by Rexy]


so your old one is 2.25?

i have that btw, and had an ashley on my Rs1800 and was spot on

WRLFC !

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Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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21st Oct 05 at 14:14   View User's Profile U2U Member Reply With Quote
Ave you got a number or an internet address mate coz i get paid nxt week if i can order it that would be great
random dav
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Registered: 7th Jan 04
Location: NSW
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21st Oct 05 at 14:21   View Garage View User's Profile U2U Member Reply With Quote
http://www.ashleycompetitionexhausts.com

or 01922 720767 speak to john if you can, sound bloke, i went down to the factory and got a quick show about lol

WRLFC !

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Iain M
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Registered: 18th Aug 05
Location: Wigan - Drives 272bhp corsa ZLET
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21st Oct 05 at 14:31   View User's Profile U2U Member Reply With Quote
where abouts is the factory then pal
langey
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Registered: 7th Sep 03
Location: Wigan
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21st Oct 05 at 15:14   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Adam_B
2.5" is a little big for a 1.6 isnt it? My XE is only 2.25"


mine is only 2 1/4 inch too

there was a noticable differance in performance from having a 1.4 system on with a cat that was fucked and glowed up bright orange all the time lol
Rexy
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Registered: 22nd Feb 01
Location: Bolt - On
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21st Oct 05 at 16:03   View User's Profile U2U Member Reply With Quote
yeah dave, its only 2.25 fella.
random dav
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Registered: 7th Jan 04
Location: NSW
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21st Oct 05 at 23:04   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Iain M
where abouts is the factory then pal


walsall, its not too far from the motorway, its a bit stealthly hidden

WRLFC !

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