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Old 11-20-2011, 06:30 PM   #1
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I agree that if you look at the engine compartment of the Boxster it is almost impossible to achieve "cold air intake" by replacing the factory airbox and installing a CAI that originates in the engine compartment. If you want to do that you'll have to have the intake originate outside the engine compartment where there is actually cold air.
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Old 11-21-2011, 02:08 PM   #2
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I agree that if you look at the engine compartment of the Boxster it is almost impossible to achieve "cold air intake" by replacing the factory airbox and installing a CAI that originates in the engine compartment. If you want to do that you'll have to have the intake originate outside the engine compartment where there is actually cold air.
What about using a 987 airbox? I have heard that this set-up is a big improvement over the 986 airbox.

Anyone try this?
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Old 11-21-2011, 02:36 PM   #3
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Can't imagine why. Why would it be?
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Old 11-21-2011, 02:39 PM   #4
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Can't imagine why. Why would it be?
When the 550 model came out, it had a jump in power over the standard S model. I was told that the airbox is different, this is second hand info so,....
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Old 11-21-2011, 03:51 PM   #5
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Stock box with an ipd silicone pipe and a stock filter. De snorkel of coarse.
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Old 11-21-2011, 06:23 PM   #6
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Originally Posted by onaFLYer View Post
When the 550 model came out, it had a jump in power over the standard S model. I was told that the airbox is different, this is second hand info so,....

Fly, you are absolutely CORRECT! The 2004 anniversary 550 and the 987's utilize the same basic design concept as the EVO intake. The airbox is built as an all encompassing unit, not like the EVO that utilizes panels to seal the air filter from the engine compartment.

Below; 550/987 airbox assembly breakdown ($560+ tubing from airbox)

Porsche Boxster Air Cleaner Parts

550/987 air filter

Pelican Parts - Product Information: 987-110-133-00-M67

EVO intake ($379)

Pelican Parts - Product Information: EVO-INTK986HF

The filter is an oval, tube shape like the EVO, but a lot bigger to allow more unrestricted air flow. It's design is a straight shot from the left hand intake port, through a big snorkel (to probably suppress sound), to the filter and to the MAF. The 550/987 intake set-up is an OEM answer to the EVO intake. Porsche engineering at an EVO price, and you can to install it on your car.
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Last edited by Jaxonalden; 11-21-2011 at 06:46 PM.
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Old 12-14-2011, 11:35 AM   #7
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My personal opinion: Who are you, probably a person with little or no schooling in cars, to buy a $100 intake that "upgrades" the stock intake over the Porsche Engineers that are paid hundreds of thousands of dollars a year to make nearly the most perfect design possible for the car? However; they do sound cool.



Porsche engineers have to meet TUV sound standards and other such metrics, after all there is no such thing as a race car that whispers. (electric excluded) As for the de snorkel crowd, I removed the little dip cup that looks like a holy water holder and polished and replaced the trumpet. I've seen that same design all the way back to my dad's 396 SS on the side of the carb cover, my guess is it accelerates the air, I'm going to claim here for the fist time a true +5 at the wheels just for taking the prayer cup off, why not fabspeed would. Oh and regarding the four turns in the airbox, to keep water out maybe?

Last edited by Ghostrider 310; 12-14-2011 at 11:42 AM.
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