Steed Speed Upgraded Replacement Exhaust Manifold For 4BT 3.9L Cummins powersports Brake line and sway bar

Brake line and sway bar brackets maintain proper operating angles

126 compliant

FASS and many others

the extra steps taken during manufacturing provide you with the durability and strength to protect your engine

Steed Speed Upgraded Replacement Exhaust Manifold For 4BT 3.9L Cummins powersports Brake line and sway barSteed Speed Upgraded Replacement Exhaust Manifold For 4BT 3. 9L Cummins Steed Speed Manifolds are CNC Machined from 1018 Mild Steel Billet and finished with a satin black coating of Techline, these aren't your typical cheap cast or tubular manifolds. Steed Speed engineers some of the finest manifolds on the planet. The Techline coating is capable of handling up to 1700 degrees continuously and up to 2000 degrees for short periods. Steed Speed