Truck/ RV 8000 series mufflers are SpinTech's quietest mufflers
Designed for extreme loads and hi temperatures. For use on medium to heavy duty trucks and RV's, with small block or big block engines. They have 10 sound traps which offer a mellow yet aggressive sound. They are available in any configuration and sizes up to 4 inch. Case size measures: 4 x 10.5 x 20 inches.