Porsche 986 Boxster Competition Air Intake System 1997-2004 | Review & Dyno

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Dyno Results on 2002 Boxster S:
Peak power gains are 12 WHP and 8 FT/LBS TQ.
Curve gains of 22 WHP and 16 FT/LBS TQ
In this video we explain and dyno our new cold air intake system for the Porsche 986 Boxster (1997-2004) which we call the Comp Air Intake System.
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[@danielwillett7164]

I've been driving the Boxster for the last 23 years, 18 with a Boxster S. I've seen some dynos with a gain of around 6hp (the most) with this setup. The key is to enclose the airbox entirely and use it in unison with other upgrades. There's no way your getting 12 hp and peak 22hp with just an intake system

[@FabspeedMotorsport]

Everyone is entitled to their opinion, however, we have just presented the results we achieved on our dyno. Besides the intake, the car was unaltered from one run to another. And our dyno is inside our climate-controlled facility, so the temperature difference between runs was within 10 degrees. Also, we placed the fans at the same points on the car for each run. We've been using this dyno for 9 years and thousands of runs, and it always provides consistent results.

[@danielwillett7164]

@@FabspeedMotorsport This isn't about opinion. It's just unrealistic. Those conditions you state are not real world.

[@kevingriffith3801]

How do you remove the cone filter to clean it, once the air intake system has been installed? From the limited camera angles in the video it looks like it would be difficult to remove and re-install.

[@FabspeedMotorsport]

It's not hard at all! The cone filter fits through the top of the airbox

[@samjohnson4243]

Were there any other modification done to the boxster? Specifically a tune to take advantage of the increased airflow?

[@FabspeedMotorsport]

Nope, no tune. The only other modification was a Fabspeed Maxflo exhaust which the car had in both the baseline and airbox run.

[@raywaltdecuba5699]

I just replaced my stock filter with a k&n and now i got 50hp at the wheels, take that porsche R&D ! LMAO

[@timcheou5649]

Do you have to de snorkel as well? When in stalling?

[@FabspeedMotorsport]

You can reinstall the snorkel when installation is done if you wish

[@jackvega9696]

Is your intake legal in California? I need to pass the smog test as well. 🤨

[@FabspeedMotorsport]

Unfortunately none of our products are CARB legal, so it would not pass a CA emissions inspection.

[@neilthomas128]

i installed your intake and my car wouldn’t start and when i ran diagnostics my cylinder 3 kept misfiring!! what happened??

[@FabspeedMotorsport]

As long as you plugged your MAF sensor back in there is absolutely no reason why our intake would stop your car from starting. In short, there is no correlation between our intake and a cylinder misfire.

[@daveved1993]

any issues with fitting an 05 Boxster?

[@FabspeedMotorsport]

This intake will not fit the 987 generation of Boxster, however we may be designing one that does in the future.

[@eddherring4972]

Someone from K&N should watch this! Only their panel filter gives a gain. I wonder why you have a cone filter when only about a quarter of the filter has air flow? On this basis I find it hard to believe that a cone filter gives any gain because it certainly doesn’t seem efficient, use a quarter, lose three quarters. A quarter of a cone filter and just about zero forced induction vs a whole panel filter, makes sense that a panel filter would work better. Also some kind of body mounted side scoop would provide some induction. Ideally I think a roof mounted option certainly for the Cayman would be more useful to a cone filter cold induction system but that wouldn’t be practical.

[@FabspeedMotorsport]

Hi Edd, I spoke with the R&D team and this is what they had to say. "By eliminating the factory chambered air box and it's many restrictions and obstructions more power potential is unlocked then a panel filter alone. Furthermore, the cone filter has a greater surface area then a panel filter allowing increased flow capabilities. The air intake vent on the left of the vehicle causes a ram effect when underway positively pressurizing the air intake chamber that is sealed away from the engine compartment while additionally the engine is forming a negative pressure on the back side of the filter. This pressure difference utilizes the entire surface area of the cone filter, and the results shined in the dyno testing."

[@frederickschulze8014]

Actually, it doesn't matter that much to force air into the filter. It helps a little, but the majority of the work is done by the engine's vacuum, sucking air through the air filter. A side scoop wouldn't help very much, because even if you were able to direct 75mph wind straight into the filter, you'd only get about 0.1-0.13 psi of positive air pressure on this filter in an ideal scenario (using the stagnation pressure/drag equation). Your engine uses a vaccuum of 0 psi to pull in 14.7 psi atmospheric pressure. This 14.7 psi of sucking force does the majority of the work acting on all sides of the filter, not the small fraction of a psi of forced induction on the exposed side of the filter. As a result, the conical air filter draws air in from all sides pretty evenly. It's not like all air goes through 1/4 of the filter. Understanding this, the goal of the conical air filter is maximum surface area to minimize restriction in your intake. By minimizing restrictiveness, you're making sure that your engine gets as much of that 14.7 psi of naturally aspirated "boost" as possible. A good air filter has less than 1 psi of pressure loss, which leaves 13.7 psi for the remainder of your intake. Now, just to be clear, I'm only explaining this because I'm an aerospace engineer and I just want to share my understanding of these principles. Not trying to help them sell this product at all. If you need every bit of performance possible, a cold air intake like this is probably great. And not because it draws in colder air necessarily, but because it has a conical filter with low intake restriction. But I just want best bang for my buck, so I'm going the same route as you probably did with the K&N panel air filter and desnorkeling the intake :)

[@briansturgill5905]

The factory CAI flows really well. Those engineers from Porsche did their job well. I took your product out cause it was a 4hp loss numerous times on the hub Dyno. Also the plenum we tested was a loss as well. Newer years really benefit from the plenum. Not the 2.5 motor. But your product did look and was built well. I have your headers and man it makes the car sound like a F1 car with no mufflers and 100 cell cats.

[@ronster6960]

Is that 12 HP without the aftermarket plenum?

[@FabspeedMotorsport]

12whp without the IPD Plenum

[@timcheou5649]

Why no one has make a cone that sits right in the grill that's the best position for air in take, just don't drive in the rain

[@ernstzwahlen2701]

Where can I get a replacement Filter ?

[@FabspeedMotorsport]

From us!

[@museachina]

Why do all other videos show the car would lose power on a dyno? Did they all did the dyno test wrong?

[@FabspeedMotorsport]

The car we dyno tested was a 2001 Boxster S. They make 250 crank HP from the factory. Typically we see 10-15% drivetrain loss on 986's

[@rehanbhatti8148]

@fabspeedmotorsports *O'cmon that is not true and you know it! Ofcourse the other vids first dynoed baseline (oem airfilter) numbers 👉including the drivetrain losses...and then dynoed again with aftermarket intakes, which in comparison lost power. They never compared aftermarket intakes with stock crank hp. They compared aftermarket intakes with drivetrain losses to stock intake with drivetrain losses*

[@briansturgill5905]

It’s not a hub Dyno.

[@accordv6er]

MAF is the restriction on boxsters and a 996 tune is required to increase the bottle neck. So then let's sell other worthless shit to go with it like a plenum when the next restriction is the intake manifold... 3.4 manifold can work need a modified Cayman engine cover. All this with headers and a 996 3.4 tune will make 3.4 like numbers on a 3.2 boxster minus a tiny bit for the displacement. But the intake all the way from the heads to the MAF is reduced on a 986 and we all know the headers are a joke but the MAF can't change without rescaling in the tune and frankly the ROW 996 tune is fine. The 3.4 allows for airflow adjustment up to about 330 hp

[@FabspeedMotorsport]

Thank you for your input. Would you like to provide dyno charts to back up your claims? We have provided dyno charts, with video of the dyno runs. These are proven, consistent, repeatable gains.

[@accordv6er]

@@FabspeedMotorsportI love your exhaust products don't get me wrong I think you make high quality stuff. But it is proven with folks who do 3.4 swaps into 3.2 cars and keep their intake... Or can be seen on fuel trims and stoich with cars that flow more air. Which a tune will fix but you're still working with a tiny MAF tube. I don't need dyno charts to point out that the MAF tube is tiny on 3.2 M96 cars compared to the 3.4. we all know the throttle body and exhaust manifolds are choked down. The intake manifold is on fact different as well. My old man's 3.2 is punched out to 3.8 and sleeved etc etc but heads are untouched. It made 276 at the tires with everything in/out and tune completely stock except for the air box. They took the air filter off/unplugged the MAF for giggles and it made another 10hp. It's choked badly but the only way to get past that is a factory 3.4 row tune scaled for a larger MAF tube and TB of course. I get the tuners need to make their $ for development but WHY no one has made an intake manifold kit is beyond me except maybe the tuning is difficult as hell on these and no one sees to get it right

[@adamsangels9874]

Why is it whenever I see a shop selling their gear on ytube they always claim horsepower increases yet when other ytubers get the same works completed and run a Dyno test the result is no increase and more often than not less horsepower.....SNAKE OIL SALESMAN....

[@FabspeedMotorsport]

Hi Adam, we have provided dyno graphs, that were taken on the same car, under the same conditions, which we have video proof of the car on the dyno. This is empirical evidence of the power gains. If you would like to do empirical testing of your own, please, be our guest we would love to see it. Otherwise, you have presented nothing here but empty claims 🤷‍♂️

[@adamsangels9874]

@@FabspeedMotorsport and what of all the other ytube testing showing no power gains are they also empty claims....seems you failed in rebuttal the evidence is available for all to see

[@adamsangels9874]

Blah blah blah….every single ytuber is a liar eh….all of them …you certainly have balls …

[@danielwillett7164]

Not true.. I've seen gains...6hp

[@mrporsche4236]

Every other dyno lost power with this type of system

[@FabspeedMotorsport]

Thank you for your input. Would you like to provide the dyno charts to back up your claims? We have provided dyno charts, with video of the dyno runs. These are proven, consistent, repeatable gains.

[@danielwillett7164]

Not true..6hp

[@briansturgill5905]

You can’t even get 22hp from a full port and polish, headers, plenum and exhaust. So a $50 aftermarket intake system is gonna do that? 😂