measure the trunk to find out how much you'll need.

You could do this, but personally I would rather have to much than not enough. Especially with the employee discount

Item Part No. Description Cost
SuperLite Tri-Pak™ 10612 3 Sheets (18" x 32" ea.) 12 sq. ft. $39.58
SuperLite Bulk Pak™ 10648 12 Sheets (18 x 32" ea.) 48 sq. ft. 153.98

Item Part No. Description Cost
Xtreme Speaker Kit™ 10415 2 Sheets (10" x 10" ea.) $11.33
Xtreme Door Kit™ 10435 4 Sheets (12 x 36" ea.) 12 sq. ft. 51.05
Xtreme Trunk Kit™ 19405 5 Sheets (18" x 32" ea.) 20 sq. ft. 85.10
Xtreme Wedge Pak™ 10425 1 Sheet (18" x 32") 4 sq. ft. 19.83
Xtreme Bulk Pak™ 10455 9 Sheets (18" x 32" ea.) 36 sq. ft. 141.87

Item Part No. Description Cost
Dynaliner™ 1/8" 11101 1 Sheets (32" x 54") 12 sq. ft. $32.97
Dynaliner™ 1/4" 11102 1 Sheets (32 x 54") 12 sq. ft. 43.10
Dynaliner™ 1/2" 11103 1 Sheets (32" x 54") 12 sq. ft. 61.58

Item Part No. Description Cost
Dynapad™ 21100 1 Sheet (32" x 54") 12 sq. ft. $92.37

my cost on dynamat products.... ( actual cost ) YOUR GETTIN A SMOKIN DEAL with employee discount

never know how much is too much or too little unless you have a basic measurement of the trunk.

randomly guessing is never the best plan.