Fitment Notices: The 51mm Middle Link Pipe Designed to fit a silencer with a 51mm / 2inch diameter. The NOKAT Link Pipe CAN be installed with the al motorcycle exhaust pipe or any that fit your standard headers. The Link Pipe Sets Designed to fit a silencer with a 51mm / 2inch diameter. Description: Condition: Material: High Quality 304 Stainless Steel Package included: 1 Set Link Pipe With Mounting Accessories Designed by our Performance Department. Made using our specification pipework, tough 304 grade stainless steel. Same mounting brackets as the al, once bolted into place and can not fall off. Improved over the al heavy design. The Fact: The link pipes and header pipes are designed by our technicians employing the acquired experience. Made of High Quality 304 Stainless Steel, they are developed using specific dimensions for each model with the aim of have a saving in terms of weight. The streamlined design reduces weight, offering a deeper exhaust note. Stock exhaust, or any aftermarket slip-on, will fit this replacement. Factory bushes and frame mounting points ensure compatibility in robust, long lasting design. The hand welded, brushed finished system is a simple upgrade for anyone wanting to bring their Goldwing 1500 to life! Ultra light specification. 1mm thick 304 grade stainless tubing. OEM Compatible, Mounts In The Same Position As The Standard Header. This is a plug and play item, no modifications required. TIG welded for smoother internals. Different pipe combinations have different purposes. We have explained them in the Fitment Notices. If you dont know how to purchase pipes, please contact our online customer service before submitting an order. Fitment: For Honda Goldwing GL1500 1988-2003 Note: Easy to install, No Installation Instruction We will give you a sticker as a gift after you submit your order. Link Pipe Sets: Designed to fit a silencer with a 51mm / 2inch diameter. NOKAT Link Pipe: Designed to fit with the al motorcycle exhaust pipe or any that fit your standard headers. 51MM Middle Link Pipe: Designed to fit a silencer with a 51mm / 2inch diameter.