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M-Series (M1, M3, M5, M6) General M-Series Discussion - If it does not fit into a more specific M Category above, please place it in here. In addition, previously archived M-Series discussion is located in this section.

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Old 07-20-2004, 11:51 PM   #1 (permalink)
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Do high flow air filters like K&N's make much of a difference on computer controlled engines? Or does the computer compensate for the increased airflow and restrict the flow to make it what the computer thinks it should be?

I've always wondered this.
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Old 07-21-2004, 03:34 AM   #2 (permalink)
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The power gains aren't significant but you might notice a slightly sharper throttle response.... (and a fair bit of extra noise)

K&N are good quality, well priced bits of kit but have a look around as there are lots of styles available. (preferably one with a heat shield)
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Old 07-21-2004, 10:04 AM   #3 (permalink)
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Are you talking about cone or drop in K&N filters? The drop ins may or may not produce any major HP gains. The cone filters if extended to just behind the grill can get you, perhaps, another 3 to 5 HP, the trick is to get the filter out of the engine compartment and away from all of that heat.
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Old 07-21-2004, 10:07 AM   #4 (permalink)
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I assumed 'high flow' was refering to an induction kit.
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<span style='color:blue'>&quot;So my BM makes me a flash bastard? Then I guess you're just keeping it real from the seat of your nova?&quot;</span>

<span style='color:gray'>&quot;...and the home of the brave..... is bravey 130bhp from a 7 litre engine? 100bhp/litre or don't bother building it!&quot;</span>

<span style='color:red'>&quot;Aaahh the UK; where every road is jammed, under construction, poorly maintained and unfairly policed, at least we don't get over-taxed for it........ HA HA HA!&quot;</span>
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Old 07-21-2004, 11:50 AM   #5 (permalink)
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if ur looking to save some money, debaffleyour current airbox, then drop a K&N in it. It will add 3-5HP
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Old 07-22-2004, 12:56 AM   #6 (permalink)
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I had the AEM V2 cold air intake on my Honda Civic, yes a civic, but it did give more hp than most people say, 15 on the dyno and a car that beat me the first race lost after I got the intake. Im not 100% sure but I think AEM uses K&N filters. I was glad I spent the $300 dollars on the intake juss to kno I had the best.
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