【Product Description】 This is a set of 20 universal muffler gaskets compatible with many Japanese motorcycles such as Honda, Yamaha, and Kawasaki. It is sized to fit motorcycles with muffler flanges of the same standard, including the CBX400F. Using high-quality gaskets, it excels in durability and heat resistance, preventing reduced exhaust efficiency and noise, and stabilizing engine performance. 【Compatibility】 HONDA Honda CBX400F, CBX550F, etc. YAMAHA Yamaha XJ400/D, XJR400R, XJR400S, XJR400R II, etc. KAWASAKI Kawasaki Zephyr 750RS, Z400FX, ZR-7, GPZ400F, Z400GP, Eliminator 400, GPZ600R, etc. SUZUKI Suzuki GSX400F, GSX250S, GSX400S, GSX400 Impulse S, Bandit 250 400, etc. ※The above list does not guarantee compatibility with all models. Please consult with a specialist to confirm compatibility. 【Shipping】 Shipped via Yu-Packet Post Mini (delivered to your mailbox) Shipping Date: Within 3 days after payment Estimated Delivery: Approximately 2-5 days after shipping ※Delivery may take longer for distant areas. 【Notes】 ・Installation by a qualified technician is recommended. As this is a universal product, some modifications may be required depending on the vehicle model. ・Compared to Japanese products, the manufacturing quality may be rough due to being an imported product. ・As I am an amateur, there may be errors in the description. I may not fully understand all the details, but I cannot answer questions about whether it fits specific vehicle models. Please be sure to check the size, etc., before purchasing. Returns due to customer circumstances are not accepted.