Save on Design Engineering Boom Mat Sound and Vibration Damping Material & Speaker Performance Kit 050199 at Advance Auto Parts. Buy online, pick up in-store in 30 minutes Simply remove the speaker, apply Boom Mat on metal mounting surface and re-install speaker., It's that simple! Peel and stick vibration reduction material The kit includes four sheets of 6 x 12., 5 (2., 1 sq., ft. Speaker Performance Kit DEI Speaker Baffles - 6-inchx8-inch - Oval - Boom Mat - MC Powersports Boom Mat Vibration Reduction Kit Car Audio Vibrations and squeaks can relay drain the joy of good music. The Boom Mat Speaker Performance Kit optimizes the performance of your speakers by eliminating squeaks and rattles with the effect of producing clear and soothing acoustics Quickly improving speaker sound and performance by reducing vibrations and improving acoustics The DEI Boom Mat Speaker Performance Kit is the perfect solution for quickly improving speaker sound and performance by reducing vibrations and improving acoustics. DEI Boom Mat - Deflectores para altavoces, Round, 10 cm Includes four sheets of 6 x 12., 5 (2., 1 sq., ft.