For exchanging with external mufflers, bushes are also brand new! I thought it was a purchase. The shape is the same as reinforced bushings for external products, but the hardness is said to be normal. Is it harder than normal? I feel it, but it is soft compared to reinforced bush. In AUTOBACS etc. etc. we can buy strengthened bush at a cheaper amount than this, evaluation was made "ordinary", but I think that the quality etc is good as a genuine substitute without any problem.