JBA Exhaust Headers for Pontiac GTO 5.7L V8 for 2004-2006 Stainless Coated - 6809SJT complete-exhaust-systems 4 V8 1968 - 1972

4 V8 1968 - 1972 GMC K35/K3500 Pickup   307/5 V8 1968 - 1969 GMC K35/K3500 Pickup   396/6

4L L4 2004 - 2013 Chevrolet Silverado 1500 LT 294/4

6 L4 2016 - 2018 Kia Optima LX 1

Also included are a set of fabricated rear blocks to provide lift height in the rear

JBA Exhaust Headers for Pontiac GTO 5.7L V8 for 2004-2006 Stainless Coated - 6809SJT complete-exhaust-systems 4 V8 1968 - 1972Overview: 04 06 GTO Long Tube 5. 7 6. 0L Ti Ctd JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. Available in 409 or 304 Series Stainless Steel. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. All JBA long tube headers feature large mandrel bent stainless steel primary tubes, oversized exhaust ports, extra