I know that if done right it can give impressive gains but what is the ideal criteria? Do you want a concealed air box, feed from where, what kind of filter elements?
I know that if done right it can give impressive gains but what is the ideal criteria? Do you want a concealed air box, feed from where, what kind of filter elements?
Anyone?
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Theres very little gains to be had from induction kits.Originally Posted by Dod
If you get 5% more hp you're doing well.
What you do get is better throttle response and noise.
Big gains can be obtained from fitting bigger plenums and deleting the maf and remapping to suit such as Alpha-N remap.
But i'm not sure of the gains on an M5....
I see your point but 5% is nothing to be sniffed at either though.
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There is no ideal setup-most ideal is the one it come out of the factory-its ideal for marketing men,designers,engineers.But what is ideal for yuo-your requirements you have to try and test by yourself.
But if you want more noise,get filters and air boxes.
Ok, thanks man.
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I've used K&N panel filter and induction kits in my last Jeep (2007 Nissan Pathfinder-K&N Apollo kit) and currently have a K&N open cone induction kit in my 325ci.
http://www.knfilters.co.uk/search/product.aspx?Prod=57-1002
I know there are several people who will moan and grown (I've had the debate 1,000,000 times!) about them being an oil based filter and that they don't get enough cold air. I've used them for years and have never had a problem.
If you are going to go for one make sure you get one with its own cold air feed or one (like mine) which incorporates the OEM air scoop.
Completely agree with narusa ... it's all personal preference!
Did you get yours sorted?
To be honest til now the advice was sparce to say the least but I do have an idea. I want to make a larger air box out of stainless steel or similar with a couple of cold air feeds but I need to know the best air feed position outside the car.
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I read some where before that the coldest and therefore most dense air is between 8 and 12 inches of the ground if that helps
That's true. There is a cold air feed you can get that takes a feed from the air scoop that cools your brakes beside your fog light but it does require cutting a hole in it.
Not sure how it would work with M5. It has a dual air intake as far as I remember?
You might be able to get some simple ducting from Halfords or something and secure it somewhere near the brake intake feed.
Sorry can't remember the from bumper of the M5. I know it works in the e46 M sport bumper.
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