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Which Manifold is better


Jordan99940
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hey guys looking at one of two manifolds i found on Ebay can any body tell me what one would be better or if there are any better ones for the same price bracket circa £200

http://cgi.ebay.co.uk/ASHLEY-PERFORMANCE-M...SM#ht_752wt_911

 

http://www.evo-host.co.uk/getimg/25228.jpg

 

 

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...T#ht_2705wt_911

 

 

http://www.evo-host.co.uk/getimg/25229.jpg

 

 

obviously the difference for those who cannot be bothered to read the links is one is a decat and the other isnt yet the one that is not the decat say its a much better option than the cat (is that only on practicality Basis or is there away the sports cat would be better (if it is even a sports cat))

 

Jordan

 

:thumb:

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Better for what?

 

Better for power? negligible

Better for torque? negligible

Better for corroding? definitely

Better for talking about your car down the pub? definitely

better for wasting money? definitely

 

 

This may not be the answer you are looking for. :)

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Better for what?

 

Better for power? negligible

Better for torque? negligible

Better for corroding? definitely

Better for talking about your car down the pub? definitely

better for wasting money? definitely

 

 

This may not be the answer you are looking for. :)

 

 

always count on stu for honesty :thumb:

 

where would be the best place to source a manifold to fit then?

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What do you mean by compliment? You said "sound" above, but tubular manifolds can make your engine sound quieter and raspier, which doesn't sound like what you're after.

 

If you want a manifold for power, then you need the appropriate engine to go with it. Then I would point you to a specialist, like tube torque, tony law, H&S, or someone who could make you a manifold of the right length and diameters for your engine/power requirement.

Edited by Stu
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The supra has a clever little setup whereby it effectively changes the intake runner length for a given engine speed / throttle position. I think its designed so that torque is not lost in certain circumstances. Could something like this be designed for the zetec or is it not something that every engine can take advantage of?
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