Crush Sleeve 4″ x 4″ Part # 1200584 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200584 Data Sheet

Crush Sleeve 5″ x 4″ Part # 1200585 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200585 Data Sheet

Crush Sleeve 6″ x 4″ Part # 1200586 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200586 Data Sheet

Crush Sleeve 8″ x 4″ Part # 1200587 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200587 Data Sheet

Crush Sleeve 10″ x 4″ Part # 1200588 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200588 Data Sheet

Crush Sleeve 12″ x 4″ Part # 1200589 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200589 Data Sheet

Crush Sleeves 10.63″ x 4″ Part # 1200595 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200595 Data Sheet

Crush Sleeve 8.63″ x 4″ Part # 1200594 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200594 Data Sheet

Crush Sleeve 6.63″ x 4″ Part # 1200593 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200593 Data Sheet

Crush Sleeve 18″ x 4″ Part # 1200592 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200592 Data Sheet

Crush Sleeve 16″ x 4″ Part # 1200591 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200591 Data Sheet

Crush Sleeve 14″ x 4″ Part # 1200590 Centek Marine Crush Sleeves fit inside the inlet or outlet of a fiberglass exhaust muffler. Its primary purpose is to prevent damage due to over tightening of hose clamps. Click to download: 1200590 Data Sheet