Manley 11844-1 Severe Duty 2.080" Intake Valve for Small Block Chevy

Sound Town METIS Series 2400 Watts 18" Powered PA/DJ Subwoofer with Class-D Amplifier, Birch Plywood, Black (METIS-PRO18AS)

Resilient Sounds Platinum 18 V2 2,500RMS/5,000Watts, 18" Subwoofer D1 Ohm Load

Harmony Audio HA-P18LS8 Replacement 18" Pro PA 1600W Subwoofer/Speaker 8 Ohm Woofer

Harmony Audio HA-BV1X18E Universal Single 18" Empty Vented Port Sub Box Unloaded Enclosure

PRORECK SP-18X Active Powered PA DJ Subwoofer Cabinet 18 inch 3000W P.M.P.O with Class-D Amplifier, 3 DSP Presets-Monitor, Coil Bass Reinforcement, Black, for Wedding, Party, Concert, Church (One Sub)

Mackie Thump118S 18" 1400W Powered Subwoofer with Custom Selectable Voicing Modes and Variable Crossover

JBL Professional EON718S Powered PA Subwoofer with Bluetooth, 18-inch, Wired Electric, Black

Rockville SBG1184 18" 1000W Passive 4-Ohm Subwoofer, 500W RMS, 750W Program, MDF Dual-Ported Cabinet, Pole Mount, for DJs and Live Events