This true dual, 2.5" system includes a H-Pipe and front pipes to allow you to bolt to the factory manifolds or adapt to headers. Features brushed T-304 stainless steel turn down pipes. Borla Header & Manifold-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.