Mark Stielow’s LT4-powered 1969 Camaro is used to develop long-tube and mid-length headers for cars outfitted with a Detroit Speed subframe.

Finally, the headers were sent out for one last polishing. See All 28 Photos The full system, complete with X-pipe, is still in process, under Larry Jacinto's '71 El Camino at the Veazie Bros. hot ...

How To Make Custom Headers - Unfair Header Fabrication. We Build The Custom Headers For Our 1,400hp '69 Camaro Project Car. HOT ROD Staff Writer Apr 01, 2011. ... See All 25 Photos.

Developing Headers for an LT4-Powered 1969 Camaro. ... We’ve covered the build over the past year and you undoubtedly saw images of its debut at the 2017 SEMA Show in Holley’s booth, ...