Universal, easy-to-install design Pillow can be trimmed to length to fit off-road muffler up to 20" inches long Lasts 3-5 times longer than traditional packing and extends service to 30-40 engine hours Resists breakdowns up to 1400?F Comes with cap stuffer to fill packable end-caps Adhesive closure flap used to eliminate the need to wrap the packing with tape or wire Made in the U.S.A.. PACKING PILLOW 19" 4T