Nitrous Cannon The Nitrous Express Nitrous Cannon is the ultimate solution for diesel applications demanding maximum nitrous flow. Precision-machined from Billet Aluminum, this high-flow nitrous ring is available in 3-inch and 4-inch configurations, featuring a -6 ORB inlet and 16 strategically placed holes for a full 360° spray pattern. Each Nitrous Cannon includes a -6 ORB to 6 AN straight fitting modified to hold a Mega Jet, along with a massive 0.250" Mega Jet, ensuring unrestricted flow for serious power gains. Whether you're chasing lower EG Ts or looking for all-out performance, the Nitrous Cannon delivers the spray you need! Features: 3.87" Inner Diameter Precision-machined Billet Aluminum construction -6 ORB inlet for secure, high-flow connections 16-hole 360° spray pattern for even distribution Includes a -6 ORB to 6 AN straight fitting modified to hold a Mega Jet Comes with a 0.250" Mega Jet for maximum nitrous flow Designed specifically for high-performance diesel applications Don't want to run a Mega Jet? No problem! Add SKU's 16245 and 16108M to utilize one of our standard jets. Does NOT Include V-Band Assemblies.