$399.99
TPSS (years 69-89)

911 and 912’s, years ‘69 thru ‘89, have always been low-frequency-impaired…until now! This unit fits up front under the bonnet and vents it’s big bass through the stock ductwork with ABSOLUTELY NO CUTTING! The single-driver unit comes complete with custom duct/port adapter, mounting tray, and all the brackets and instructions you need to perform the install in 40 minutes with just a screwdriver and a pair of pliers!

Durable charcoal gray finish. Extremely high sound-to-size ratio exclusively from Acoustic Solutions’ IntraPortTM Technology.

Dimensions: 20″ x 6.5″x 9.5″
Driver: One, SSCTM SubSolution driver, 220w