Brian Tooley Racing Trinity Intake Manifold - 105 mm Throttle Body Flange - Multi Port - Cathedral Port - Black - GM LS-Series 12-304-4 They are a one-piece

They are a one-piece

obtaining the most desirable grain structure for strength and durability

All The Features Of Stage 1

Single Eyeport

Over 69 Years of Innovation and Excellence

Brian Tooley Racing Trinity Intake Manifold - 105 mm Throttle Body Flange - Multi Port - Cathedral Port - Black - GM LS-Series 12-304-4 They are a one-pieceProduct Description: Intake Manifold Trinity 105 mm Throttle Body Flange Multi Port Cathedral Port Aluminum Black Powder Coat GM LS Series Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted to creating custom