Experience a Cooler and Quieter Ride

Are you tired of feeling like you're driving in a noisy, uninsulated tin can? Do you want to restore your classic 1963-66 Chevy & GMC Truck to its former glory? Look no further than the Flatline Barrier Complete Interior Insulation and Sound Dampening Kit (High Tunnel). This comprehensive kit is designed to provide unparalleled thermal and acoustic insulation, making your ride cooler, quieter, and more enjoyable than ever before.

Easy Installation for the DIYer

At Flatline Barrier, we understand that not everyone is a professional mechanic. That's why our complete interior insulation and sound dampening kits are designed with the DIYer in mind. With pre-cut kits and self-adhesive backing, installation is a breeze, even for those with limited experience. So why wait? Buy online today and get started on your restoration project!

Cutting-Edge Technology for Exceptional Performance

Our interior insulation and sound dampening kits utilize cutting-edge technology and materials to provide exceptional performance. The ultra-lightweight material is designed to be both durable and easy to install, while the thermal and acoustic insulation properties will keep your ride cool and quiet, even on the hottest summer days.

Meets Federal Motor Vehicle Safety Standards

At Flatline Barrier, we're committed to providing only the highest-quality products that meet or exceed federal safety standards. That's why our complete interior insulation and sound dampening kits are designed to meet the Federal Motor Vehicle Safety Standard for flammability, giving you peace of mind on the road.

Complete Kit for a Comprehensive Solution

Our complete interior insulation and sound dampening kits include everything you need to fully restore your 1963-66 Chevy & GMC Truck. From floor to roof, our kits provide a comprehensive solution that will leave your ride looking and feeling like new. So why settle for anything less? Buy online today and experience the difference for yourself!