JBA Performance Exhaust Cat4ward Headers - 1.625 in Primary - 2.5 in Collector - GM LS-Series - GM Fullsize SUV / Truck 2014-17 1850S-4JS - Pair Battery Insulation Kit 1946-1949 Pontiac Streamliner

1946-1949 Pontiac Streamliner

Rotator Eliminators

& 5th coil setups to round tube

2-8 in Height Range

JBA Performance Exhaust Cat4ward Headers - 1.625 in Primary - 2.5 in Collector - GM LS-Series - GM Fullsize SUV / Truck 2014-17 1850S-4JS - Pair Battery Insulation Kit 1946-1949 Pontiac StreamlinerWhen it comes to performance exhaust systems, most people are looking for three things: power, sound, and quality. JBA exhaust systems deliver the best of all three, giving them both great looks and performance. One of the first performance upgrades typically made to a vehicle is the addition of a performance exhaust system. While there is a high demand for performance sound, the capacity for power in the JBA exhaust systems gives JBA the extra edge.