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Inline Air Filter Limitations with stock LS6??

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Old Jan 2, 2012 | 01:24 PM
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NovaKid's Avatar
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Default Inline Air Filter Limitations with stock LS6??

I have a limited amount of space in my engine compartment and was thinking about an inline air filter (pictured below) to run a cold air intake. This inline setup is rated at 600 CFM.

I have a stock LS6 with headers/exhaust/chip. I've come across thread after thread stating that the stock throttle body (78mm right?) flows anywhere from 400 to 800 CFM. I'm not sure if these numbers are right or if someone is pulling them out of their butt. Will this inline air filter setup limit my performance? Any numbers on intake CFM? Thanks guys!



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Old Jan 3, 2012 | 04:47 AM
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The wilson manifold 75mm TB CFM is 950ish. Id look at what spectre has to offer. I know they offer a dual pipe setup for older cars that ive seen on 2nd gen camaros. Also on several swaps ive seen their universal kit modded to fit.
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Old Jan 3, 2012 | 12:14 PM
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Anytime you see something advertised as "good for
___CFM" or "flows ___ CFM" you can call it bullshit
unless they bother to tell you at what pressure drop.

Stock filters have about 20 square feet of surface
area if you figure in the pleats.

That fancy can has either more restriction, less dirt
effectiveness, or both. Whether you can dig past the
marketing "information", I don't know.
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Old Jan 3, 2012 | 02:48 PM
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The wilson manifold 75mm TB CFM is 950ish. Id look at what spectre has to offer. I know they offer a dual pipe setup for older cars that ive seen on 2nd gen camaros. Also on several swaps ive seen their universal kit modded to fit.

Originally Posted by jimmyblue
Anytime you see something advertised as "good for
___CFM" or "flows ___ CFM" you can call it bullshit
unless they bother to tell you at what pressure drop.

Stock filters have about 20 square feet of surface
area if you figure in the pleats.

That fancy can has either more restriction, less dirt
effectiveness, or both. Whether you can dig past the
marketing "information", I don't know.
Thanks for your input guys. To be on the safe side, it looks like I may have to figure out something else that will work.
Reply




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