Increased Exhaust Flow for Maximum Hosepower and Torque Gains. Large 1-3/4 Primaries for Maximum Flow. Includes Midpipe Adapters with High Flow Catalytic Converters. 16 Gauge Steel Tubing and 3/8 Thick Flanges.BBK Performance full length headers will increase your exhaust flow giving you additional horsepower and torque. These long tube headers will help give your engine a throaty exhaust note. The chrome plated finish adds some extra style to the engine bay. BBK Performance full length Gen 5 V8 Camaro headers are made from 1-3/4" CNC-machined mandrel bent tubing with 3/8" thick die-stamped flanges. The full length primary tube design creates unrestricted and balanced airflow for ultimate horsepower gains. These headers are pressure tested to ensure leak free performance. These full length headers are designed for easy installation with the included high flow catted adapters. As with any long tube header installation, custom tuning is recommended for optimum results and to prevent check engine lights. These BBK Long Tube Headers require the use of Front O2 wire harness extensions - these are not included and are recommended for installation - See Part # 1115. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Manifolds & Headers". The seller is "lfpdistributors" and is located in this country: US. This item can be shipped worldwide.