Product Catalogue AKA ----MUFFLERS--- AKA14 & AKA39 Controlled Yamaha Exhausts DIRT KARTING (Circuit & Speedway) Circuit & Speedway ENDCAPS Muffler endcaps (Various) EXHAUST HEADERS & FLEXS HEADERS (Yamaha Big bore stainless steel), STAINLESS STEEL FLEX SPACERS NEW STUFF GETTA-START, Rotax sprocket changing tool TOOLS & ACCESSORIES ACCESSORIES, TOOLS View Purchases | Checkout | Terms and Conditions Technical Tips Check out our Technical Tips page.