Reviewed By John N (PHILADELPHIA, PA) Reviewed for a 2005 Pontiac GTO —8/18/2015 8:10 AM
They sound amazing and I notice the HP increase.
Reviewed By calvin s (HARKER HEIGHTS, TX) Reviewed for a 2014 Chevy Silverado —8/9/2017 1:16 AM
Quality headers above the rest! great fit the installation went smooth no issues. comes with all necessary hardware (headers bolts) stage 8. and gasket. about performance.. no doubt gains are notable going to dyno after retune. I recommend get Taylor sparkplug wires/cables 9 or 10 inch with 45 degree.