Kooks Headers & Exhaust: 2019 + GM 1500 Series Truck 5.3L Connection Pipe 7mm *This BHP rating excludes 2016

*This BHP rating excludes 2016 Camaros with weaker tank fuel pumps

1521™ is also a very low dusting and low noise compound with an excellent initial bite

New optional relay output module allows you to control a 12v relay based on values of OBD2 or analog input data

Technology: CORSA's Patented RSC® Technology is designed for an AGGRESSIVE SOUND under acceleration and a DRONE-FREE EXPERIENCE during cruise

This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)

Kooks Headers & Exhaust: 2019 + GM 1500 Series Truck 5.3L Connection Pipe 7mm *This BHP rating excludes 20162019 + GM 1500 Series Truck 5. 3L 3" x OEM Outlet GREEN Catted Stainless Steel Y Pipe. Must be used with Kooks Headers.