i also have a 06 scion xb. i am running 2 nightshade 12's and a 3500d. do not know what the scores with this setup will be but i can tell u tomorrow evening. other that that. i have had multiple setups in my toaster. all have been with an upgraded 170amp alternator from ohio gen. stinger 1/0 hyperflex, a 2400 and an 1800 kinetik, and 2 laters of fatmat on everything but the floor. with one 15" fi btl and a memphis mojo 4k. the loudest i burped was a 145.2 @47hz. and 30 sec avg 144.6. with 2 ma audio hk15x2 and a ma audio hk4000. burped a 148.0 @ 47 hz and 60 avg 145.8. i will let you know tomorrow about what kind of scores i am putting up with this new setup.
