Exhaust Riser Extension 9" - Cast 316 (HDI GM R9)
Upgrade your boat's exhaust with the Exhaust Riser Extension 9" - Cast 316 (HDI GM R9) from HDI Marine. This heavy-wall 316 stainless steel riser delivers durable, corrosion-resistant performance for demanding marine environments. As a premier Exhaust Components option, it extends the exhaust intake port to optimise routing and flow while preserving strength against saltwater exposure. Built for marine installations and trusted in marine energy systems, this component supports long-term reliability under hull- and deck-mounted exhaust configurations.
We ship across Australia, including Newcastle Marina, Cairns Marina, and Townsville Marina, with delivery to every marina, port, and coastal town in Australia. Free delivery Australia-wide on orders over $350. This exhaust components solution sits in our marine parts and boat parts catalog, offering a reliable option for replacements and upgrades in exhaust systems.
Details
Full specifications, features and technical details for this product are listed in the description above. Need help checking compatibility with your vessel, caravan or 4x4? Contact our Gold Coast team on 0416 180 996 or sales@bigburjos.com and we'll confirm fitment before you order.
Shipping & Returns
Shipping (Australia-wide): Orders over $350 AUD ship free. Orders under $350 have a $15 AUD flat-rate delivery fee. Standard delivery takes 3–11 business days depending on your location; express options (1–3 business days) are available at checkout. Orders are dispatched within 1–2 business days.
Returns: We offer a 30-day return policy. Items must be unused and in original packaging. Contact us at sales@bigburjos.com or 0416 180 996 to start a return. See our full Shipping Policy and Refund Policy for details, including your rights under Australian Consumer Law.