Headers vs. Exhaust Manifolds ~ 'Let The Debate Begin'

OK Kustom Headers

According to General Motors {Marketing and Advertising}.

The installation of the 'RPO Z-28-2' Headers on the 1967 Z-28 Camaro
unleashed another {+25 Horsepower}.

1967 NHRA

While the 1967 Z-28 {302} was listed as having 290 Horsepower,
those in the 'know' knew that the 'high-winding' short-stroke
Chevy Small-Block was pushing out much more than that.

This placed the 'very light' 1967 Z-28 Camaro {#2955 lbs.} in
B/Stock > {9.50 to 10.59 Wt/HP}
with the 'new' Plymouth GTX 440 and Dodge Coronet R/T 440.