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COBB Tuning is proud to announce the release of our latest addition to our Nissan GT-R performance parts: The COBB Tuning Big SF Intake. The Big SF Intake is a 3" ID intake designed to open the door to high-power builds in the future, yet work effortlessly with an otherwise stock GT-R. The Big SF Intake kit future-proofs your intake, so you won't need to upgrade this component later if you decide to go down the path of major modifications. Furthermore, it installs as easily as our regular SF Intake, without any cutting or trimming of bodywork.

In stock form, the R35 ECU measures airflow using a Mass Airflow (MAF) sensor located in the stock intake system. As modifications add up and increase power, the airflow can increase to the point that it exceeds the MAF sensor's maximum capacity, preventing the ECU from accurately measuring air mass, and thus unable to deliver the appropriate amount of fuel. The Big SF Intake increases the inner diameter of the intake tubing, increasing the cross section of the intake and allowing the MAF sensor to read lower for the same amount of ingested air. This gives the sensor the necessary headroom to read accurately for airflow higher than the stock system was designed for.

COBB Tuning has used the Big SF Intake to support builds of over 600HP and 600TQ at the wheels, gains of 40% over a stock GT-R!


Changing the calibration of the MAF sensor necessitates tuning changes to recalibrate the ECU. COBB Tuning has you covered here as well with a set of free AccessPORT Big SF Intake Off-The-Shelf maps for all supported GT-R Stage1 and Stage2 vehicles. Big SF Intake maps are available for download from the Nissan GT-R AccessPORT Map Database.

The Big SF Intake shares all of the same quality features of its popular smaller brother. Constructed of 3-inch diameter aluminum tubing with TIG welded bracketry and MAF sensor mount and finished with a tough black crinkle coating for an OEM quality appearance. High-flow K&N cone filter elements fit through the factory openings in the bumper. Your choice of high-quality COBB Blue or Steath Black silicone couplers are used to join the intake to the factory system.

If you looking to upgrade your GT-R's intake and are considering modifying your GT-R for more power down the road, the COBB Tuning Big SF Intake will meet your immediate intake-upgrade needs with matching AccessPORT calibrations, and will meet airflow demands as you continue to modify your car in your quest for more horsepower. It doesn't get any better than this!
 

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Nice to see you guys coming out with a 3" intake.


Are these available for immediate sale, or are they still a few weeks away?
 

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Will Cobb be offering special pricing to those customers who already have a 2.75" version and want to upgrade?
 

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Being that tube design must follow the oem pipe, and the bracketing of the chassis is fixed. I wouldn't be surprised if most of the after market intakes look identical. Even the MAF sensors have to be placed in a specific area in order to read correctly. Cobb made their own, tested their own, and now provides their own tune to match.

IMO: Cobb isn't trying to re-invent the wheel. The only thing I see that they have done is offer a rock solid tune for any similar type of 3 inch intake (be it yours or theirs).
 

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but yours are more than 100 $ less for the same product if better, when the hardpipes rolls out ?
Very soon!!!
 

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Being that tube design must follow the oem pipe, and the bracketing of the chassis is fixed. I wouldn't be surprised if most of the after market intakes look identical. Even the MAF sensors have to be placed in a specific area in order to read correctly. Cobb made their own, tested their own, and now provides their own tune to match.

IMO: Cobb isn't trying to re-invent the wheel. The only thing I see that they have done is offer a rock solid tune for any similar type of 3 inch intake (be it yours or theirs).
you have a pm.......
 

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So on a stock turbo maxed out setup, will this gain any hp over the standard cobb sf intakes?
 

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I am personally yawning at this product but hey if you are on Cobb's nuts then just get their intakes while you're at it. Not impressed by that dynograph at all either.
 

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I am personally yawning at this product but hey if you are on Cobb's nuts then just get their intakes while you're at it. Not impressed by that dynograph at all either.
Why and why? Curious... It looks like a decent intake kit (as does the one from gotboost) and the dyno numbers are strong.
 

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I am running gotboost intakes and I mean if the design is the same and Cobb wants to charge more then why would you buy it? At the same time that dynograph is a misrepresentation of the mods you would need to do to the GTR to make those kinds of numbers. You would need to do more things which are definitely not listed for marketing purposes. Sure this intake in combination with a few other things can yield those numbers but then logically there are equal and cheaper alternatives.

If you do a search and find others running e85 you will also notice that they are making similar power and not running their intakes. Food for thought.
 

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Didn't gotboost rock the Cobb intakes before he made his own 3"? Designs are all pretty much the same. We would all be 2 yrs behind the curve if not for Cobb.
 

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Didn't gotboost rock the Cobb intakes before he made his own 3"? Designs are all pretty much the same. We would all be 2 yrs behind the curve if not for Cobb.
Yes, because he designed those as well.
 
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