Re: how much polyfil is enough?
Not gonna happen. it might cover for .1 to .2 cubic feet max but not .4. Your going to need a lot more and you'll be introducing a lot of heat if you over stuff it.
Clip city b1tch, clip clip city b1tch. 10's, 12's, 15's, goin up in flames b1tch.
2009 Sienna 3.5L Subs : C2 threatcon 15s. Sub amp: hifonics brx 2400.1D x 2
Headunit: Pioneer 80PRS bought used from vertex audio Mids/Highs amp: PPI Phantom 900.4 - bought from dragnix
Front stage: 3 way active front stage with Massive Audio CKX 6x9 component. ckx 6x9 midbass in doors + DB drive pro audio 6.5 in the kick. Rear stage: Jbl ms62C(Its a van I need rear fill). Still NOT ENOUGH! SEND HELP!! 4 Pro Audio 10s in the future
320 amp Singer alt almost installed. Just a group 31 deka in the back atm with big 3 finished.