This pair of exhaust elbows is specifically designed for the Cummins Marine 6bt 5.9 300hp engine. Parts Lot comes with Turbocharger,  Tensioner,  Oil Filters.They are compatible with boats that have inboard engines and are perfect for those looking to upgrade their exhaust system. These elbows are made with high-quality materials to ensure durability and reliability, so you can have peace of mind while on the water. In addition to being a great replacement part, these exhaust elbows are also a stylish addition to any boat. They are designed to provide excellent performance while also looking great. Whether you're a professional mechanic or a DIY boater, you'll appreciate the quality craftsmanship and attention to detail that went into making these wet exhaust elbows.