Universal, easy-to-install designPillow can be trimmed to length to fit off-road muffler up to 20'' inches longLasts 3-5 times longer than traditional packing and extends service to 30-40 engine hoursResists breakdowns up to 1400°FComes with cap stuffer to fill packable end-capsAdhesive closure flap used to eliminate the need to wrap the packing with tape or wireMade in the U.S.A.