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Factory Intake Question

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YOUR RESEARCHFactory Intake Question

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Run roughly

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Suggestion · Original poster

Does this mean that the factory intake draws warm air somewhere too or that maybe I just didn't "seal" the factory snorkel enough to kill it or make it run roughly?

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Factory Intake Question
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Leading evidence: 'Run roughly' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run roughly' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Run roughly

No successful repair reported for this finding.

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Suggestion · Original poster

Does this mean that the factory intake draws warm air somewhere too or that maybe I just didn't "seal" the factory snorkel enough to kill it or make it run roughly?

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Factory Intake Question
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3 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

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Generation: 20261026T072535Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

A general question for the forum: I've been following this 996 aftermarket intake HP topic with quite some interest, specifically as it relates to intakes (like K&N) that may be less restrictive but are open to hot air from the engine compartment. On a whim I opened the engine lid on my bone stock 996 and placed my hand over the factory air snorkel covering it with the car idleing and nothing happened. I then placed a few sheets of paper over the air intake snorkel to "block" it and again nothing happened. My question is this, if the engine is supposed to be an "air pump" and there is clearly a large volume of air being dumped through the exhaust, where is the engine getting fresh air if I am blocking the stock intake snorkel? Does this mean that the factory intake draws warm air somewhere too or that maybe I just didn't "seal" the factory snorkel enough to kill it or make it run roughly? Just thought I'd see if y'all had any insight...

POST 2Original post

You didn't seal it well enough. Take a look at your throttle plate and keep in mind see how much of the intake tract is blocked with it closed. At idle you really don't pull in much air....WOT is a different story. My guess is that when you blocked the snorkel it easily pulled in some air from the connection points around the plastic housing.

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