5.9 Cummins Steed Speed T4 Exhaust Manifold

Looking to improve the performance of your 5.9 Cummins? Look no further than the Steed Speed T424 T4 Exhaust Manifold. This manifold has been dyno proven to produce 30HP gains over other manifolds on the market, making it the perfect choice for those looking to get the most out of their engine. In addition to increased power, the Steed Speed manifold also offers lower backpressure and faster turbo spool, making it the perfect all-around performer. Installation is easy, and requires no welding, so you can be up and running in no time. With its superior performance and easy installation, the Steed Speed T424 T4 Exhaust Manifold is the clear choice for anyone looking to