Performance Headers, HOW MUCH!!!!
17 February 2007, 05:25 PM
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Performance Headers, HOW MUCH!!!!
Thinking of buying some performance or aftermarket headers for my import MY01 STI. The price is outrageous!!!
Are they really worth the money??
How much BHP and Torque are they likely to increase my car by???
Are they really worth the money??
How much BHP and Torque are they likely to increase my car by???
17 February 2007, 05:48 PM
#4
Be careful:
Unless you are gunning for a high output engine, say 350/380 + then forget them and fit a set of ported stock headers.
As a general rule the tube headers will give better results at the top end, the ported stock will give a fatter mid/low range.
They can be had from API Engines or Harvey, I think for £170 maybe?
Graham
Unless you are gunning for a high output engine, say 350/380 + then forget them and fit a set of ported stock headers.
As a general rule the tube headers will give better results at the top end, the ported stock will give a fatter mid/low range.
They can be had from API Engines or Harvey, I think for £170 maybe?
Graham
17 February 2007, 07:38 PM
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Be careful:
Unless you are gunning for a high output engine, say 350/380 + then forget them and fit a set of ported stock headers.
As a general rule the tube headers will give better results at the top end, the ported stock will give a fatter mid/low range.
They can be had from API Engines or Harvey, I think for £170 maybe?
Graham
Unless you are gunning for a high output engine, say 350/380 + then forget them and fit a set of ported stock headers.
As a general rule the tube headers will give better results at the top end, the ported stock will give a fatter mid/low range.
They can be had from API Engines or Harvey, I think for £170 maybe?
Graham
Just so i get this right. Are you saying that API and Harvey will sell me a standard set that have been ported or they will port my headers for £170??
17 February 2007, 08:50 PM
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I would highly recommend not dealing with Harvey at the moment. If my situation doesn't change with him early next week i'll be contacting the police.
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17 February 2007, 09:27 PM
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My opinion is .........
It's a market aimed at mugs ...... and mugs pay silly money.
Same market as the CockLink - that market is the gullible
It's a market aimed at mugs ...... and mugs pay silly money.
Same market as the CockLink - that market is the gullible
Last edited by pslewis; 22 February 2007 at 07:38 PM.
17 February 2007, 09:42 PM
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Oooooo, good gain eh?
And, pray, what was your power output immediately before they were ported and what was the figure immediately after porting?
You lot make me laugh ....... if its a BIG, Whopping, 10 BHP - who the hell is going to notice????
Fools and their money .......
And, pray, what was your power output immediately before they were ported and what was the figure immediately after porting?
You lot make me laugh ....... if its a BIG, Whopping, 10 BHP - who the hell is going to notice????
Fools and their money .......
good job I have plenty of it then.
Those 10 BHP matter on rolling road shootout days
17 February 2007, 10:04 PM
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17 February 2007, 10:08 PM
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17 February 2007, 10:16 PM
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You can have any OE headers ported, like i say its normally on an exchange basis, so you will most likely be charged say £100 surcharge, (if you having them fitted somewhere else, or by yourself) once you return the ones you remove your £100 is refunded.
Harvey is sometimes hard to get hold of, but I know API offer a porting service, and there refund policy on surcharges is instant
David Welcome to the API website will answer any questions you have mate
i have wasted more ££££ in other areas on my car than these headers 
17 February 2007, 10:27 PM
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hello m8 i work for a company called nemesis uk and we currently have hks tubular headers on sale ive put them on mine and they make huge difference if you ring 01527835555 and ask to speak to lloyd tell him neville has given you the number and he will sort you a amazing price on theses mate and we can mail order aswell just pm to tell me when your ringing and il tell you are so he can get the quote ready
How much are they, and how long have you had them on the car?
17 February 2007, 10:28 PM
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So? Lets see who knows what this 'PORTING' is ........
As far as I am aware it is simply cleaning up the ports and matching them more closely to the manifolds (NOT HEADERS!!!!!).
I used to do this in the 1970's ..... engines, these days, are so accurate that you are wasting your money ....
As far as I am aware it is simply cleaning up the ports and matching them more closely to the manifolds (NOT HEADERS!!!!!).
I used to do this in the 1970's ..... engines, these days, are so accurate that you are wasting your money ....
17 February 2007, 10:30 PM
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17 February 2007, 10:31 PM
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It is worth doing, i have no links before you ask, but back to back testing has been done on this mod.
If you compare standard HEADERS to ported ones you can see how much meat has been removed
If you compare standard HEADERS to ported ones you can see how much meat has been removed
17 February 2007, 10:34 PM
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So? Lets see who knows what this 'PORTING' is ........
As far as I am aware it is simply cleaning up the ports and matching them more closely to the manifolds (NOT HEADERS!!!!!).
I used to do this in the 1970's ..... engines, these days, are so accurate that you are wasting your money ....
As far as I am aware it is simply cleaning up the ports and matching them more closely to the manifolds (NOT HEADERS!!!!!).
I used to do this in the 1970's ..... engines, these days, are so accurate that you are wasting your money ....
17 February 2007, 10:36 PM
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17 February 2007, 10:38 PM
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agreed your spec dictates what to go for, but have been told by reliable sources that for mildly tuned cars ported are the best bet to start with. 
17 February 2007, 10:39 PM
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17 February 2007, 10:40 PM
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