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Old 05-27-2012, 08:21 PM   #1
masterchiefbt
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K&N filter element

Will a K&N filter element do any harm installed in the stock air box? Will that allow too much airflow in for the stock factory tune?
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Old 05-27-2012, 08:36 PM   #2
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As long as you're responsible when oiling the filter (don't over-oil), it shouldn't be different from any other car.
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Old 05-27-2012, 08:40 PM   #3
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Thanks....I had to ask. So much about a CAI needing a tune I figured that air flow thru paper element was dialed in to the factory tune. Guess with forced induction airflow is finicky with stock tune.
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Old 05-27-2012, 08:42 PM   #4
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It is...but even most of the cold air intakes can be used without tuning. The beauty of a Chevy engine is that it's very smart. It will adjust as much as it can...in the case of a minor intake change - the difference is not usually significant enough to require a new tune.
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Old 05-28-2012, 09:25 AM   #5
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But a lot of companies have said you will lose power with a CAI kit if you don't tune it. So I would be worried. LS3 and L99 you would be fine, LSA
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Old 05-28-2012, 09:34 PM   #6
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Quote:
Originally Posted by adamgl View Post
But a lot of companies have said you will lose power with a CAI kit if you don't tune it. So I would be worried. LS3 and L99 you would be fine, LSA
They have? If so, I'd really like to read the thought process behind such a statement...
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Old 05-29-2012, 07:12 AM   #7
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They have? If so, I'd really like to read the thought process behind such a statement...
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Originally Posted by adamgl
I'm sure he does. But I was looking for a Cold Air kit to put on right when I get the car and not void the warranty. Then a year or 2 later, say by by to the warranty and get a pulley, headers and tune.

Might as well use it as an excuse to get all those upgrades at once, lol.


Unfortunantly testing shows very sensititive maf on these cars .Even changing just a filter could cause issues and power loss.
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I've heard similar from other sources.
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Old 05-31-2012, 07:14 PM   #8
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I have always run K&N Filters in all my cars. I just went over 1500 miles and I have installed a K&N tonite. I will let you know if I have any issues. I also got the K&N Oil filter to change the oil this weekend.
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Old 05-31-2012, 08:42 PM   #9
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I also have a K & N installed in my car and I can say the improved air flo
Seems to be a positive improvement. The Z to me feels like it pulls harder,
It deffinately didn't hurt.
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Old 05-31-2012, 09:09 PM   #10
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I installed a K&N filter element tonite also. Seems to have a little better pick up maybe. I also took those 2 molded air inlets off the stock air box. When I get on the gas now you can really hear that supercharger wind up. Sounds cool!
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Old 05-31-2012, 09:18 PM   #11
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I'm broke in so I've really mashed it hard before and after the K&N.
This car could be very dangerous in the wrong hands. It jumps off the line
Way harder than the ss and hits top revs. Thru the gears really quick.
Kinda scary fast. Dut a little more wouldn't hurt.
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Old 06-01-2012, 09:52 AM   #12
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I installed a K&N filter element tonite also. Seems to have a little better pick up maybe. I also took those 2 molded air inlets off the stock air box. When I get on the gas now you can really hear that supercharger wind up. Sounds cool!
Where do the 2 air inlets point to? I've read that the ZL1's air box had mods over the CTSV box to help performance. Just because it sounds better doesn't mean you're getting better performance.
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Old 06-01-2012, 01:31 PM   #13
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Where do the 2 air inlets point to? I've read that the ZL1's air box had mods over the CTSV box to help performance. Just because it sounds better doesn't mean you're getting better performance.
+2! I've been waiting to see pics' because of the addition for ZL1.

Also - I read the OEM air filter is already a high-flow unit, consisting of fewer pleats to increase flow. It'd be interesting to see what gains there would be. I would lean more toward an oil-less element, but to each his own
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Old 06-01-2012, 03:17 PM   #14
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+2! I've been waiting to see pics' because of the addition for ZL1.

Also - I read the OEM air filter is already a high-flow unit, consisting of fewer pleats to increase flow. It'd be interesting to see what gains there would be. I would lean more toward an oil-less element, but to each his own
I think a lot of people fall for K&N's marketing. I've seen the display where a K&N element is in one box and there is a regular paper element in another, and there's a fan blowing air through either filter. As expected, the ball moves higher through the chamber with the K&N. However, I took the K&N filter out of the box an looked closely at the gauze element. There are tiny holes where small particles of dirt can seep through even though it is covered in oil. I'm not falling for their claim that the oil actually traps the particles after the filter is dirty. I've even read reports of higher silica content in oil from cars that used K&N filters which indicate that fine sand grains actually are making it into the oil.
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Old 06-01-2012, 03:27 PM   #15
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I think a lot of people fall for K&N's marketing. I've seen the display where a K&N element is in one box and there is a regular paper element in another, and there's a fan blowing air through either filter. As expected, the ball moves higher through the chamber with the K&N. However, I took the K&N filter out of the box an looked closely at the gauze element. There are tiny holes where small particles of dirt can seep through even though it is covered in oil. I'm not falling for their claim that the oil actually traps the particles after the filter is dirty. I've even read reports of higher silica content in oil from cars that used K&N filters which indicate that fine sand grains actually are making it into the oil.
That's good to know. I've had K&Ns on all my cars when they were the rage. I'm a little over it now. That's not to say I'm not keeping my options open, but I'm not wasting money on a replacement filter without the entire CAI options out there; that's where the real power is.
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Old 06-01-2012, 09:12 PM   #16
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Where do the 2 air inlets point to? I've read that the ZL1's air box had mods over the CTSV box to help performance. Just because it sounds better doesn't mean you're getting better performance.
They point to the front. The opening in the molded inlets are tapered and "necked" own in the middle. CTS-V has 1 air inlet and ZL1 has 2. 1 of the inlets is very small. I think a bigger opening allows more cfm upstream. I surely don't think it would have a negative impact. If anything one of the inlets seems to be getting input from the front side of the radiator. Guess the thought maybe a cooler air inlet but I don't think the temp in that area has a significant difference. To me, before and after, throttle response seems a little better after k&N install....but that's just me!
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Old 06-04-2012, 10:47 PM   #17
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I went ahead and ordered the KN 33-2434 filter which is the same part number as the one for the SS, BUT I just noticed the book has different GM part numbers on section 11-14(service and maintenance). Are they not the same?2012 CHEVROLET Camaro ZL1 6.2L V8 F/I - AllAir Filter
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Old 06-05-2012, 07:54 AM   #18
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I went ahead and ordered the KN 33-2434 filter which is the same part number as the one for the SS, BUT I just noticed the book has different GM part numbers on section 11-14(service and maintenance). Are they not the same?2012 CHEVROLET Camaro ZL1 6.2L V8 F/I - AllAir Filter
- Designed to Increase Power
- Million Mile Limited Warranty 33-2434
I think the GM part numbers are different because the ZL1 filter is shallower and has fewer pleats and is a higher flow filter. The size is the same. I test fit an SS filter yesterday and it fit like OEM.
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Old 06-05-2012, 08:55 PM   #19
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I just got the KN today. It fits very well, it's just not as deep as the original filter - maybe 0.5 inch less height. It shouldn't matter.

I think it has a bit better/quicker throtle response and the supercharger sound is just a bit louder. I just went around the block...

I like it anyways and I believe it's worth it, especially in about 5k miles when the original one will start to clog up. I had them on all my cars and can't complain. I just wish they made the CAI with no tuning required.
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