Steed Speed 3rd Gen Cummins T4 Flange 89+ 5.9L/6.7L 24V OR 12V Exhaust Ports

Great news for RV technicians

Finally!   a long lasting high performance exhaust manifold for Motorhomes

The best performing manifold on the market.  Constructed from CNC machined billet steel components, tig welded and ceramic coated for durability and reduced heat.  This manifold is dyno proven to outperform every competitor and has seen gains of 80HP at 2000 RPM over the stock factory manifold on a 350HP motor.  This manifold is also available with a T4 turbo flange for those who wish to upgrade their turbo.