Replaced the foams on my Infinity Kappa 5's. Wanted to say thanks to the folks here that helped me. Here's the end result. Not perfect but they sound badass! : r/hometheater
Infinity Kappa 1200W Kappa Series 12" subwoofer with selectable 2- or 4-ohm impedance at Crutchfield
Infinity (By Harman) KAPPA-1200W 12" Sub-Woofer – Malaga Car Audio