Need help on X51 Airbox Installation
Hello Everyone,
I'm looking to score a used X51 Airbox. I've searched and read so many threads both here and on RL on the installation and benefits (or non-benefit) of it. I understand there is hardly no power gain from it but I just love the way it looks. I understand I need to cut a hole on the decklid for the right air inlet and there is template for it. I'm reaching out to anyone who have done it before and by chance might have saved the template. Anyone kind enough to share a copy is greatly appreciated. ;) I also understand that the MAF harness needs to be extended. The kit that I'm buying wold come with the extension harness but I'm a little fuzzy about how to splice it into the existing harness. Any DIY on this would also be appreciated. Thanks in advance for your input. |
If you provide me with your email, I will send you my PDF from Porsche that includes the installation guide and has the template for the opening.
I didn't extend the MAF cable or replace the oil filler.... |
Originally Posted by JoelPirela
(Post 3999015)
If you provide me with your email, I will send you my PDF from Porsche that includes the installation guide and has the template for the opening.
I didn't extend the MAF cable or replace the oil filler.... Joel, I was about to shoot him the link to your thread. https://www.6speedonline.com/forums/...rade-done.html |
Joel,
Thanks. PM'd you my email. ---Romy
Originally Posted by JoelPirela
(Post 3999015)
If you provide me with your email, I will send you my PDF from Porsche that includes the installation guide and has the template for the opening.
I didn't extend the MAF cable or replace the oil filler.... |
That makes it much easier. I know replacing the oil filler neck is a major PITA. Cutting a hole on the decklid sounds scary but from what I've read, it's not a big deal. I'll leave this with someone who's got more experience that I am. hilarious
Any issues with CEL?
Originally Posted by JoelPirela
(Post 3999015)
I didn't extend the MAF cable or replace the oil filler....
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As an FYI
I think I was charged a half hour of labor to get mine installed.
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eBay
Also I saw a used airbox on eBay a few days ago. BTW, that is the 1st used x-51 box I've ever seen.
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Btw, do a search. I recall a thread a while back to the effect that the mas/ecu set up after this mod resulted in lean engine condition. I'm sure guys that have done this are aware of the situation and the fix and can speak to this but consider this a heads up.
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Gpjli, I believe you're referring to this link below. Quite honestly, I think It's a a little over my head so I need to digest it a little bit. :confused: Maybe Joel and WhiteRock can chime in from their experience.
http://forums.rennlist.com/rennforum...ter-dynos.html |
My car is pure stock. What I've gathered from the above thread is I would need an ecu tune to take care of the lean issue. Uhm now I'm a little gun shy about this mod. :confused:
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I have had mine in for 4 years with not one single issue. No ECU tune. Easy installation and I cut the hole in my decklid with a dremel.
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Thanks for the vote of confidence.
Originally Posted by ///MJFDDS
(Post 4000052)
I have had mine in for 4 years with not one single issue. No ECU tune. Easy installation and I cut the hole in my decklid with a dremel.
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Originally Posted by Romysc4s
(Post 3999273)
My car is pure stock. What I've gathered from the above thread is I would need an ecu tune to take care of the lean issue. Uhm now I'm a little gun shy about this mod. :confused:
As well you should be. Re "vote of confidence": people can always be counted on to put their mouth where their money is. Maybe no apparent problem but the new box may be making less hp in this application and lean is not good for these motors. I really don't know what to tell you. Apparently no one else paid any attention to the one guy that dyno'ed this mod. I personally stopped at "cut a hole where?" It is pretty and maybe the issue can be addressed by having a custom remap. There are easier ways to get a few more hp and move the torque curve down. Search IPD plenums and 200 cell cats while you are lusting after motor bay bling |
I kept the same MAF sensor, but had softtonic create a custom x-51 tune to compensate for the additional airflow for the airbox, gt3 throttle body and plenum. Ran the car on the stock file, then on the regular Softronic, then the Softronic x-51 tune. There is a huge difference between the stock file and the x-51 tune. Think of the difference between regular and sport mode, mine would be sport x3, If that makes sense. Softronic said that the air baffle (probably the wrong term) is constantly open like the Gt cars, instead of open and closing. My car is well matched with the 997.1 gt3's on DE days.
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Originally Posted by White Rock
(Post 4000965)
I kept the same MAF sensor, but had softtonic create a custom x-51 tune to compensate for the additional airflow for the airbox, gt3 throttle body and plenum. Ran the car on the stock file, then on the regular Softronic, then the Softronic x-51 tune. There is a huge difference between the stock file and the x-51 tune. Think of the difference between regular and sport mode, mine would be sport x3, If that makes sense. Softronic said that the air baffle (probably the wrong term) is constantly open like the Gt cars, instead of open and closing. My car is well matched with the 997.1 gt3's on DE days.
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