Product Description : Suitable for all types of exhaust. White fiber glasswool (kevlar) is durable and resistant hot, suitable for racing, road races and daily use Suitable for all types of exhaust cylinders. Voice character cool, bass and powerful, doesn't break at high gas revs PAYMENT: We accept PAYPAL. PAYPAL is a safe, fast and easy online payment method. Please mention your active phone number on the note when send PAYPAL payment. Shipping: We send via standard shipping and DHL. You can choose standard delivery (Unspecified) We will send merchandise within 11-16 working days after receiving your payment. After shipping your item, we will update the order status to "Shipped", with notification. Typically your order will arrive within 15-20 business days. And if you choose DHL (USPS Ground Advantage) delivery, we will send the goods with a handling time of 7-10 working days and the goods will arrive in 7-10 working days. We do not ship on holidays. We have noticed that there are usually considerable postal delays if there are public holidays at your end, so please take this into consideration. FEEDBACK: Please inform us for any problem before you give us feedback. Thank you for Shopping and Watching No. 2637