Tubing has been optimized for the 6.2L LS3 engine. This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque.An added benefit is a more performance oriented exhaust sound. The item "LONG TUBE HEADER FOR 10-15 CAMARO SS LS3 6.2 EXHAUST/MANIFOLD" is in sale since Wednesday, September 4, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "socalraceparts" and is located in Santa Ana, California. This item can be shipped worldwide.