SKU: 26549998024

ECS Tuning Kohlefaser Luft-Technik Intake System - B9 RS4/RS5 2.9T

Sale price$570.15 Regular price$633.50
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

ECS Tuning Kohlefaser Luft-Technik Intake System - B9 RS4/RS5 2.9TThe Engineering team at ECS Tuning has spent countless hours in the development of the exclusive Audi B9 RS5 2. 9T Kohlefaser Luft Technik (Carbon Fiber Air Technology) Cold Air Intake System. This intake was precision engineered using state of the art laser scanning, flow bench testing, and 3D CAD technology to combine factory like fitment in your engine bay with increased engine performance. This intake is crafted of high quality hand laid carbon

The Engineering team at ECS Tuning has spent countless hours in the development of the exclusive Audi B9 RS5 2.9T Kohlefaser Luft-Technik (Carbon Fiber Air Technology) Cold Air Intake System. This intake was precision engineered using state of the art laser scanning, flow bench testing, and 3D CAD technology to combine factory-like fitment in your engine bay with increased engine performance.

This intake is crafted of high quality hand laid carbon fiber with a fiberglass interior layer to achieve world class appearance and durability while resisting the performance robbing effects of heat soak. The turbo inlet hose is crafted of a high quality 4-ply silicone to achieve increased durability and resistance to collapsing.  We also include a bellmouth (velocity stack) filter flange inlet to reduce turbulence and maximize flow.

This intake has been subjected to rigorous real world testing with verified performance gains on our in-house flow bench. At -12.0 in H2O test pressure, the stock intake had a flow rate of 362.0 CFM and our ECS intake had a flow rate of 462.7 CFM - an increase of 27.8%!  The increase in turbocharger spool noise during heavy acceleration is an enthusiast's dream, giving hint to the added performance without being too intrusive. The end result of all of this effort is an intake system that combines fitment, quality and performance into one stunning package that will make a statement in your engine bay.  

The ECS Tuning Kohlefaser Luft-Technik Intake System features:

  • Specifically crafted to fit Audi B9 RS5 2.9T engines, using stock mounting locations
  • Carbon Fiber lid, carefully contoured to allow the smoothest flow path
  • 4-ply silicone turbo inlet to hinder collapsing
  • Powder Coated aluminum heat shield
  • 3" conical hi-flow reusable air filter; featuring 8 ply cotton gauze construction and a bell mouth inlet to minimize restriction while maximizing filtration efficiency
  • Stainless steel hardware & hose clamps for exceptional corrosion resistance and durability
  • Broader and smoother torque curve for an enhanced driving experience
  • 27.8% increase in flow rate compared to the stock intake
  • No modifications required, fully reversible installation
  • Complete install instructions provided!

Settle for nothing but the absolute best with ECS Tuning's Kohlefaser Luft-Technik Intake Systems. 

For additional help with heat protection, ECS Tuning has created pre-cut DEI Reflect-A-Gold to apply directly to the intake heat shield. Check out ES3610302 for more information.

For help with installation please download or print ECS Tuning's in-depth PDF installation instructions found under the Installation tab. 

 

*Not CARB Approved.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26549998024

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Dave R.
Boise, US
★★★★★ 5
Super comfortable and fit true to size
Super comfortable and fit true to size. Have purchased several colors I love them so much!
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Reviewed in the United States on November 1, 2025
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Ahmed Khalil
Charlottesville, US
★★★★★ 5
Comfortable, stylish, and great for work or casual wear
Size: 36W x 32L, Color: Black
These DKNY slim fit chinos are a great balance between comfort and style. The stretch material makes a big difference — they move well throughout the day and don’t feel restrictive like some other slim fit pants. The fit is modern and clean without being too tight, which makes them easy to wear for both work and more casual settings. They look polished enough for the office but still comfortable enough for everyday use. The fabric feels good quality and has held up well so far. They don’t wrinkle too easily and keep their shape after wearing them for a full day. The 5-pocket design is also a nice touch, adding a bit of versatility compared to more traditional dress pants. If I had to mention one minor thing, it would be that sizing can feel slightly snug depending on preference, so if you’re between sizes you might want to consider sizing up. Overall, really solid pair of chinos — comfortable, versatile, and good quality for the price.
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Reviewed in the United States on April 28, 2026
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D. Carter
Fort Morgan, US
★★★★★ 5
Excellent value for the quality and fit.
Size: 34W x 29L, Color: Khaki
Love these pants. So much that after wearing the light khaki pair a few time I bout a navy blue pair. I'm 5"5" and finding 29" inseam pants is a challenge, these fit perfectly and my flat butt isn't saggy baggy with the slim fit. They are NOT Skinny in the legs. The material is smooth as silk and I didn't need to iron them after washing. You would pay much more for anything close in a department store. The stretch is great, I can go without a belt confidant they won't fall down.
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Reviewed in the United States on May 20, 2026
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Phillip Beck
Battle Creek, US
★★★★★ 5
Fit sizing
Size: 36W x 29L, Color: Navy
Good fit, accurate sizing, comfortable, nice looking
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Reviewed in the United States on June 3, 2026
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Brian C
Massapequa, US
★★★★★ 4
Great cut, but size is off
Size: 30W x 30L, Color: British Khaki
I wish they came in a 31x31. Very stretchy. Black inside, which is weird but cool. Ordered May 2024 Nominal size: 30x30 Actual: - Waist: 31" - Inseam: 28.5" - Rise: 9.5" - Upper thigh: 10.5" - Opening: 13" Nominal size: 32x32 - Waist: 33" - Inseam: 30" - Rise: 10" - Upper thigh: 11.5" - Opening: 14"
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Reviewed in the United States on May 5, 2024

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