S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Modded Air Box For Sale.

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Old Mar 28, 2021 | 09:27 AM
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From: Bolingbrook Illinois
1999 C43 Amg
Modded Air Box For Sale.

Hey everyone, hope Im posting in the right forum. I have this air box for sale. It has been lifted for more air volume and the inside gutted for better air flow. With the air box installed your car will have better power and better throttle response at any rpm.

If you have not heard of me and my modded air boxes, search google for speed43 air boxes.

The air box is ready to ship the same day payment has been made. I take PayPal for payment. Color is all flat black. If you want the middle painted silver I will do it after payment only.

Any question feel free to email or private message. Price is 525 shipped within the USA. Thanks for looking. George. speed43mods@gmail.com




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Old Mar 28, 2021 | 07:46 PM
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2013 S550 4MATIC
That looks like a W220 air box and this is the W221 forum. So you may want to post it to the W220 forum.
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Old Mar 29, 2021 | 06:35 AM
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Originally Posted by doni01
That looks like a W220 air box and this is the W221 forum. So you may want to post it to the W220 forum.
Ok thanks.
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Old Apr 3, 2021 | 10:38 PM
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Originally Posted by Senecan
You did a disservice to the intake by "modding" it. You probably even decreased performance. Anything you do in terms of flow mods are utterly useless and actually subtract from performance from the stock configuration unless you are also tuning. DIY garage mods are in no way shape or form ever superior to the factory design, which was engineered by lots of really, really smart people, with combined centuries of academic experience, with gazillions and gazillions spent on R&D over decades upon decades.
Sometimes customers do a tune after. But not needed to feel the performance. Mercedes engineers air boxes not to make air noise and to keep air boxes to fit other mercedes cars.

Take my w202 c43, they put in the same air box from other cars. But under the hood there's room for a much taller air box. So I modded mine and power was awesome. I started to sell them and one customer who is a mercedes mechanic ordered one and did a dyno and got 10hp and 10Tq.

And even more my mod is the same concept as the renntechs air boxes. So yes the engineers are very smart, smart to save mercedes money. Let's work out something were I send you a box and you test it for a week. Than get back to us with a small review. You will be a believer like everyone else I've sold air boxes for 6 years.
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