{"product_id":"bbk-2-3-4-inch-exhaust-flow-tubes-14670-aluminized-steel-cnc-formed","title":"BBK 2-3\/4 Inch Exhaust Flow Tubes 14670 Aluminized Steel CNC Formed","description":"\u003cp\u003eElevate your exhaust setup with BBK's 2-3\/4 Inch Exhaust Flow Tubes (PART #14670). These aluminized steel, CNC-formed tubes are designed to maintain or repair your car or truck’s exhaust path from the mid-pipe back, delivering precise flow and reliable connections for crossover mufflers and related components. Built for longevity and consistent performance, they’re a smart upgrade to keep your system breathing freely under pressure.\u003c\/p\u003e\n\u003cp\u003eThe 2-3\/4 Inch Exhaust Flow Tubes measure 12 inches in length and feature a 2-3\/4 inch outer diameter, expanded for universal fit with 2005 and Newer BBK 1-3\/4 - 1-7\/8 full-length header collectors. They include two ball-with-socket flanges, collector brackets, and O2 sensor bungs welded in place, ensuring a seamless, leak-free installation.\u003c\/p\u003e\n\u003ch3\u003eKey specifications and features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-3\/4\" OD exhaust tubes, 12 inches long\u003c\/li\u003e\n\u003cli\u003eDO NOT FIT 1987-2010 - BBK 1-5\/8 or 1-3\/4 Long Tubes PART # 1516, 15160, 1594, 15940, 1569, 15690, 1641, 16410\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes two ball-with-socket style flanges and collector brackets\u003c\/li\u003e\n\u003cli\u003eO2 sensor bung welded in place for quick, leak-free sensor integration\u003c\/li\u003e\n\u003cli\u003eCollector Bracket - Center measurement: 4 inches\u003c\/li\u003e\n\u003cli\u003eMay require trimming to final fitment in some applications\u003c\/li\u003e\n\u003cli\u003eFlared female connection recommended for larger 2005 \u0026amp; newer BBK 1-3\/4\" primary tube collectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy choose these flow tubes\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically to work with BBK products, these flow tubes offer a reliable, race-tested path from the mid-pipe back to your crossover mufflers. The built-in O2 bungs mean you won’t have to add sensors later, reducing install time and potential leak points. The included collector bracket ensures a secure, stable connection, helping maintain exhaust routing under load and vibration. If you’re upgrading from stock tubing or repairing a damaged mid-pipe section, these tubes provide a clear, direct upgrade path that maintains proper scavenging and exhaust flow.\u003c\/p\u003e\n\u003ch3\u003eWho this is ideal for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerformance enthusiasts upgrading to BBK long tube headers\u003c\/li\u003e\n\u003cli\u003eDIY mechanics performing mid-pipe-back exhaust repairs\u003c\/li\u003e\n\u003cli\u003eFender-to-frame routing projects that require precise 2-3\/4\" tubing and reliable flange connections\u003c\/li\u003e\n\u003cli\u003eShop technicians assembling or reconfiguring crossover muffler systems for improved flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse cases and installation insights\u003c\/h3\u003e\n\u003cp\u003eInstall these tubes when you’re replacing or upgrading mid-pipe back sections and you want seamless compatibility with BBK long tube header systems. The universal fit and standardized 12-inch length make them a versatile choice for a range of vehicles. Expect a straightforward install if you’re pairing with BBK ball-and-socket collectors; you’ll benefit from the welded O2 bungs, which simplify sensor placement and sealing. If you’re fitting to a vehicle with 1-3\/4 inch primary tube collectors, the flared female connection is recommended to ensure a snug, leak-free interface.\u003c\/p\u003e\n\u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDouble-check your existing header primary size and collector style to confirm compatibility with BBK 1-3\/4\" primary tube collectors.\u003c\/li\u003e\n\u003cli\u003ePlan for trimming in tight-fit scenarios—the tubes are designed for universal fit but may require minor trimming for a perfect seal on some builds.\u003c\/li\u003e\n\u003cli\u003eUse high-quality gaskets and appropriate mounting hardware when securing flanges to maximize leak-free performance.\u003c\/li\u003e\n\u003cli\u003eInspect the welded O2 bungs during installation to ensure sensor threads seat correctly and there are no gaps around the bung welds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the 2-3\/4 Inch Exhaust Flow Tubes, you get a purpose-built solution that aligns with BBK’s performance philosophy: precise, durable, and ready to pair with BBK Long Tube Headers for dependable exhaust flow from the mid-pipe back. Whether you’re extending your setup, repairing damaged tubing, or upgrading to a more efficient configuration, these flow tubes provide a clear path to improved performance and reliability.\u003c\/p\u003e","brand":"BBK Performance","offers":[{"title":"Default Title","offer_id":40586888052915,"sku":"14670","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/4753\/0163\/files\/bbk-performance-performance-exhaust-default-title-2-3-4-inch-exhaust-flow-tubes-27345770348723.jpg?v=1765206792","url":"https:\/\/bbkperformance.com\/products\/bbk-2-3-4-inch-exhaust-flow-tubes-14670-aluminized-steel-cnc-formed","provider":"BBK Performance","version":"1.0","type":"link"}