4"x 5" Cast 316 Stainless Steel Exhaust Mixing Elbow Kit SM4-5
The 4"x 5" Cast 316 Stainless Steel Exhaust Mixing Elbow Kit SM4-5 from HDI Marine (USA) is a versatile choice for marine exhaust projects. Universally used for custom exhaust on boats, this straight mixing elbow offers a reliable replacement for a fabricated mixer and is designed for easy maintenance, letting you separate the elbow for cleaning rather than cutting out a welded unit. Precision CNC machined and investment cast in 316 stainless steel, this straight mixer kit includes the mixing elbow.
Ideal for boat owners and installers at marinas across Australia, this kit supports robust performance in marine environments. It sits among boat parts and boating supplies in the marine parts Australia market. For customers near Yeppoon, Tin Can Bay, Exmouth and Scarborough Marina, HDI Marine’s 4"x 5" mixing elbow delivers dependable service in maintenance-friendly configurations.
As a precision-made, 316 stainless steel mixer kit, the SM4-5 offers easy maintenance and reliability for marine exhaust installations. For boat parts and boating supplies, it serves as a trusted option for marine parts Australia, with support for boat owners at Yeppoon, Tin Can Bay, Exmouth and Scarborough Marina. Free delivery Australia-wide on orders over $350. Shop Big Burjo's Marine for all your boating needs.
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.