Quiet your C4 and protect the doors with Ensolite foam sound barriers that reduce noise and moisture behind the panels while improving comfort and stereo clarity.
Corvette owners looking for a cleaner, more refined cabin will appreciate this C4 door sound barrier kit, designed to fit between the inner door and the door panel for effective insulation. The CNC-cut Ensolite closed-cell foam helps block road noise and vibration while also resisting moisture that can affect interior structure and trim over time.
Pre-cut openings provide clearance for handles, locks, and controls for a straightforward install with a factory-like fit. This two-piece set is a practical upgrade when restoring door panels or improving daily driving comfort.
Fits the Following Corvette Models:
C4 Coupes and Convertibles: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996.
Features / Benefits:
Two-piece door sound barrier kit installs behind C4 door panels
Fits 1984-1996 C4 Corvette door panel applications
1/8" Ensolite closed-cell foam helps reduce noise, vibration, and wind intrusion
Helps resist moisture and protects interior structure behind the panel
CNC-cut for clean fit and clearance at handles, locks, and controls
Can improve stereo sound clarity and interior temperature consistency
Made in USA
Adhesive-backed installation recommended (adhesive not included)
Material / Finish:
1/8" thick Ensolite closed-cell foam panels designed for lightweight insulation and moisture resistance behind the door panels.
Dimensions:
1/8" thick (0.125" / 3.2 mm)
Because Details Matter
The comfort you feel in a C4 often comes down to what’s hidden behind the trim.
These Ensolite barriers help your doors stay drier, quieter, and more solid-feeling—exactly the kind of detail that makes every drive feel more finished.