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RENNtech | Carbon Fiber Airbox | M157 | 63 AMG | 5.5L BiTurbo V8 Series

RENNtech Pre-Preg Carbon Fiber Airbox for the M157 - 63 BiTurbo Series.
Gains: +10HP & +10TQ
SKU: PKG.157.63.ARBX
Retail price without tax: $4,960.00


Using the highest quality pre-preg carbon fiber, our 4-piece airbox kit  for the 63 series biturbo M157 engine comes complete with flow optimized turbo tubes to maximize engine performance by increasing the volume of incoming airflow.

The carbon fiber airbox was designed, engineered and manufactured in the USA using only industry leading materials to ensure long lasting durability and appearance.

Our carbon air box is able to offer gains up to +10 hp and + 10 lb/ft of torque, in addition to serving as an attractive under hood showpiece.

The Carbon Fiber Air Box kit includes a Set of 2 BMC high performance air filter.


  • +10 HP & +10 TQ


Please note:  Our airbox for the M157 will require modification to the OEM engine cover.



  • 218 - CLS 63 AMG BiTurbo
  • 218 - CLS 63 AMG BiTurbo 4-MATIC
  • 218 - CLS 63 AMG BiTurbo FaceLift (2015+)
  • 212 - E 63 AMG BiTurbo
  • 212 - E 63 AMG BiTurbo 4-MATIC FaceLift (2014+)
  • 216 - CL 63 AMG BiTurbo
  • 217 - S 63 AMG Coupé BiTurbo
  • 221 - S 63 AMG BiTurbo
  • 222 - S 63 AMG BiTurbo


RENNtech Carbon Fiber Quality Control

RENNtech strives to deliver the highest quality carbon fiber products in the industry. All of our designs are unique and fully developed in house by our skilled engineers and designers. These products can be very complex and are handcrafted utilizing the pre-preg manufacturing process, making each product truly unique. Therefore, a few minor inconsistencies and differences between parts is possible. Whether it’s a small deviation in the weave layup or slight inconsistency in the finish, this is completely normal in carbon fiber manufacturing because of the nature of the material and production process. Any parts with more noticeable areas of concern are scraped entirely and never offered to our highly discerning clientele. Comparing to alternative product, we're confident you will be more than satisfied with our authentic RENNtech carbon fiber components.


Contact us

7825 SW Ellipse Way, Stuart, FL 34997
(+1) 561 - 845 7888
Mon - Fri 9am - 6pm


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7825 SW Ellipse Way - Stuart, FL 34997
TEL: 561.845.7888 FAX: 561.845.6777 E-MAIL: