JBA Performance Exhaust Cat4ward Headers - 1.625 in Primary - 2.5 in Collector - GM LS-Series - GM Fullsize SUV / Truck 2014-17 1850S-4 - Pair 2010212 1987-1987 GMC R3500

1987-1987 GMC R3500

50 states legal CARB E

These tests are conducted daily in Isky's new enlarged dyno facility

Ford: LTD 65 - 71 6

JBA Performance Exhaust Cat4ward Headers - 1.625 in Primary - 2.5 in Collector - GM LS-Series - GM Fullsize SUV / Truck 2014-17 1850S-4 - Pair 2010212 1987-1987 GMC R3500When 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.