Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75'] They're precision-machined from T6-106 billet

They're precision-machined from T6-106 billet aluminum

designed to be used with aftermarket intakes only

We control the entire machining process and use only premium materials

so it is not necessary to change to a 10 degree retainer

The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles

Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75'] They're precision-machined from T6-106 billetFor use with cut velocity stacks, or straight pieces of exhaust tubing. Flat rubber bases with molded in velocity stack type radius and step for smooth bore down from element to tube.