Westlake Village-based Xirrus, a provider of Wi-Fi hardware, said this morning that Car Sound Exhaust Systems, Inc. has selected the firm's Wi-Fi arrays for its manufacturing, distribution, and warehouse facility. The win involves six of the firm's Wi-Fi Arrays, which will provide 802.11a/b/g Wi-Fi connectivity. Xirrus is a manufacturer of an integrated Wi-Fi switch, targeted at providing better coverage and throughput for wireless access points.