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Been looking at where to go with my first mods etc to my ST and have been looking at the different CAIS's available....

I probably sound stupid but I'm learning more all of the time... what is the difference between something like a Dreamscience CAIS and something like a GGR or Auto specialist Gen 2?

Cheers in advance
 

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The DS and K&N CAIS have open cone filters, which means they make more noise. The enclosed CAIS from GGR and AS are silent. Also, the open cone ones allow easy access to the oil filter as they open up the front of the engine bay.
 

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Dreamscience is an open filter whereas the AS is a closed system.

You tend to get more noise with the open filters.

The enclosed CAIS from GGR and AS are silent.
I wouldn't say silent lol. Definitely a little more noise over standard.
 

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dreamscience is an open cone filter (open to the elements), will make lots of induction noise
a/s, ggr, code red are all closed induction systems that are fairly quiet
 

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to add..

the DS and K&N both suck air flow from beside the wheel arch near the undertray (some people remove the front fog light to help with better air flow for higher BHP cars)
and the AS, GGR & Code:Red all suck air through the front upper grille.. (so dot tailgate wagons as this wont help.. )
 

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Iv got an open cone one and it souds great!! can i ask though with all these puddles and bits of woodlan on the roads in my area, what would happen if it sucked up water or lumps of crud?i always try to avoid puddles and stuff but with it tucked down in the nears side wing its in a pretty vulnerable place
 

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You are best advised to replace the standard inlet tract, if you really have thought that through, with something that still draws fresh cooler air from outside the engine compartment.

The standard inlet tract is well designed, efficient and made of appropriate materials and is good for outputs arround the 300bhp mark after which it does gradually hold up the airflow. If you fit anything else for the sake of a different sound that is all you get....other than emptying your wallet.

An alternative that I chose as my car is running higher outputs is a BMC Carbon Dynamic enclosed filter that is easily connected to the existing air flow inlet over the slam panel.

Regards, Don.
 

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ive had the AS and dreamscience one. ive got the RS induction now with a mountune lid and k&n extreme air filter, definately the best of the lot. but it is abit pricey. the DS one is the best value for money for noise and performance if you dont wanna pay out for RS.
 

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Iv got an open cone one and it souds great!! can i ask though with all these puddles and bits of woodlan on the roads in my area, what would happen if it sucked up water or lumps of crud?i always try to avoid puddles and stuff but with it tucked down in the nears side wing its in a pretty vulnerable place
Crud you'll be fine as the filter will block that. Too much water can lead to hydrolock and a hefty bill for a new engine. Not that this is intended to scare you though
 

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Crud you'll be fine as the filter will block that. Too much water can lead to hydrolock and a hefty bill for a new engine. Not that this is intended to scare you though
I thought it could cause big problems but didnt know it could
the engine totally!
My undertray broke recently too and the one i ordered never showed up so im waiting for another.Until then as my only car she will have to run without her underwear on and hope she doesnt get too wet
 

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ive had the AS and dreamscience one. ive got the RS induction now with a mountune lid and k&n extreme air filter, definately the best of the lot. but it is abit pricey. the DS one is the best value for money for noise and performance if you dont wanna pay out for RS.
The DS is around twice the price of the K&N, doesn't fit properly and gives off that horrible high pitched whistling. I dumped it in favour of a K&N, much, much better
 

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The DS is around twice the price of the K&N, doesn't fit properly and gives off that horrible high pitched whistling. I dumped it in favour of a K&N, much, much better
You didn't fit it properly if you think it doesn't fit, I had mine fitted by Dreamscience and it was fine.
I have the Pumaspeed induction kit now which I prefer.
 

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It has to be a fairly deep puddle and hit at some speed though, don't drive like an idiot through ponds and you'll be fine!


Have they sorted out the horrible appearance yet? From the original pictures there was loads of unsightly welds about the place.
What I will say about it mate is that when I was at the Motorscope rolling road day at Northallerton the people who saw it said it looks much better than it does in the pictures.
I was given it to trial by Pumaspeed for nothing so I've got no reason to push it, especially when I have a DS kit in my shed but the look of it has grown on me.

They export most of the induction kits they make to buyers in Australia.

I spoke to the guys at Pumaspeed about the comments people had given on it and they said they are going to start getting the pipe powder coated which will improve the appearance of it for some. They get them made at around 5 at a time at the moment and they sell as soon as they get them in but Chris at Pumaspeed said he will keep one back from the next batch for powder coating so we shall see how it turns out.
The powder coating on the Pumaspeed inlet plenum I have is very good quality.

I'm planning to do a little work to the crossover pipe myself next year to make it unique but for functionality it's superb.
 
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