Product details:

Exhaust system Ford F-150 5.0L automatic 87-95, premium series chrome shorty headers 1.63" diameter (3510) by BBK performance. Bolt-on headers increase exhaust flow for improved power and performance. CAD designed and dyno tested shorty headers feature optimized primary tube shape and diameter, CNC mandrel bent tubing, and 1-piece laser cut exhaust flange. Directly replaces factory exhaust manifold and connects to stock exhaust system. Pressure tested to ensure trouble-free performance and comes with gaskets and mounting hardware.