Reduces noise levels, making it easier to have conversations and enjoy your favorite music Driving in a jeep is great fun, except for the interior noise that makes it difficult to engage in conversations or even enjoy vehicle audio systems. Complete the installation of the Boom Mat Jeep Wrangler Headliner Kit (sold separately) with this side window trim kit Riding in a Jeep is great fun except for the interior noise that makes it difficult to engage in conversations or even enjoy vehicle audio systems. Sound Deadening Headliner Kit; Black Original Finish (11-18 JK Interior Noise Reduction Jeep Wrangler Sound Deadening Rear Side Window Kit; Gray Original Finish 50269 Boom Mat Side Window Trim Kit The 1/2-inch thick window trim adds additional sound deadening and thermal insulation Boom Mat Sound Deadening Headliner for Jeep Gladiator JT Insulate your Jeep Wrangler interior from heat and cold Complete the installation of the Boom Mat Jeep Wrangler Headliner Kit (sold separately) with this Side Window Trim Kit.