Haimus Racing Carbon Fiber Plenum must-have item for any S65 N/A built where sound and power are required!

Performance Gains:

The following performance gains have been fully verified by the Hamius Racing team on the dyno with their S65 build. The results are ONLY concerning the INTAKE PLENUM, NOT the intake elbow. The elbow design was kept consistent during both runs. 

Test conditions were kept constant for the OEM plenum and Haimus Racing carbon plenum, namely -8.03 degrees Celsius ambient temp, 53.4% humidity, 90 degrees Celsius water temp, and 93-95 degrees Celsius oil temp.

Performance gains were measured without a remap, or any software change!

The Haimus Racing plenum showed ~25nm gains at 3000 RPM and a 3.9whp advantage at 8300 RPM while showing a consistently smoother power curve and higher than stock power everywhere above 7200 RPM. From the results, we see the OEM plenum making its peak horsepower at 8.1k RPM and then dropping off power. The Hamius Racing carbon plenum was able to pull past 8.2k RPM with no signs of power loss.

What do you receive?

If you chose just the plenum in the package you receive a full bolt-on replacement for the standard OE plastic intake plenum (PN: 11617838010) 

If you chose to add the intake & filter system you will receive a full bolt-on intake system with your plenum for your car depending on your model of production.

Item comes with a three-year finish and a five-year structural warranty for standard usage!

IMPORTANT! Please read!

Please realize these carbon products are FULLY handmade from start to finish. That includes the laying of the carbon, the cutting, trimming, fixating of the parts, and the clear coat. Whichever variant of the item you order there might be some microscopic dust particles in the clear coat, microscopic bubbles under the clearcoat, and tiny pits and imperfections on the edges of the product. With every next tear of finish quality, these will be less and less, but completely eradicating them is not a possibility! Please keep that in mind when ordering.

Final sale. No returns or exchanges