Brian Tooley Racing Exhaust Header / Manifold Gasket - 1.87 in Round Port - GM LS-Series (Pair) RS4819V-001 Developed for extreme offroad race

Developed for extreme offroad race vehicles

Straight through nonrestrictive system design maximizes airflow improving performance and fuel economy

Delta Flow Technology Increases Performance and Reduces Drone

1972-1982 Maserati Merak

Brian Tooley Racing Exhaust Header / Manifold Gasket - 1.87 in Round Port - GM LS-Series (Pair) RS4819V-001 Developed for extreme offroad raceProduct Description: Exhaust Header Manifold Gasket 1. 87 in Round Port Multi Layered Steel GM LS Series Pair 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 parts for enthusiasts, leveraging