STM Evo X Lightweight Front Cross Member Brace TRS FiD 4B11 exhaust manifold head

FiD 4B11 exhaust manifold head flanges for the Evo X are CNC machined of 1/2" mild or stainless steel

75" to 3" Reducing for Stock Turbo or 3" for Upgraded) (1) 1/4" NPT to 1/2" Barb 90° Brass Fitting (Used for valve cover vent tube) (1) 1/4" NPT Block-Off Brass Fitting (Optional

Standard Filter 4

When used as directed

STM Evo X Lightweight Front Cross Member Brace TRS FiD 4B11 exhaust manifold headThe STM lightweight front cross member brace for Evo X is handmade in the USA and weighs less than half the stock brace! Fabricated in house from chromoly and steel, then finished with a durable wrinkle black powdercoat. New V3 Design: Updated in January 2025, the V3 design is now mandrel bent and sits just a bit higher than the old bar giving more ground clearance. Now laser etched with the STM logo and we also use a black urethane bushing with a