For exhaust, they bolted on the biggest dyno headers they had on hand at Westech. See All ... the 572-inch big-block Chevy is filled with a forged SCAT rotating kit and domed pistons for a 14.3:1 ...

This blown 572-inch big-block is a massive air pump, ... To better track what’s going on, 2.25-inch dyno headers with O2 sensors were installed to make sure all the cylinders were equally happy.

Bringing it to that higher level is a heaping serving of all-atmosphere motor, namely a 572 Big Block V8. ... It also sounds amazing thanks to a set of Hooker headers and Magnaflow exhaust system.

Doug's Headers now offers a tuned long tube header that is specifically designed to fit tall-deck big-block Chevrolet V-8 engines like the 572 in '67-69 Camaros and '68-72 Novas.