Sierra Denali: Alpine X009GM, PXE-0850S DSP, Infinity EMIT-N tweeters, AD MM4 mids, AD Vipera F6 Mid-Bass, two SI SQL 12s, SI TM65MKIII (rear fill) Stereo Integrity 75.4, 125.4 & 1500D amps
Audi S8: Factory B&O with SI SQL12 and Audio Control LC800.1