4C IMSA Wired Helmet Kit with Speakers and Mic trade up This is a highly recommended

This is a highly recommended option

1ft to split

and GPS turn by turn directions with the right audio record cable

or Cambodia

stainless steel hardware is also included to replace the knobs

4C IMSA Wired Helmet Kit with Speakers and Mic trade up This is a highly recommendedDesigned for road racing, the IMSA Wired Helmet Kit with speakers and mic delivers loud, race ready audio and clear driver communication. Trusted in open wheel and sports car series like LMP2, GT3, GT4, and TCR. This kit features a 4 conductor IMSA configuration and installs easily into most helmets. Features: IMSA 4 conductor configuration for road racing and performance circuits Helmet speakers produce loud, clear audio for the best communication