1966 Ford Mustang A Code Fastback. Holley 600 Carb with vacuum secondaries, Edlebrock Performer intake, mild cam and Hedman longtube headers. Chambered muffler.
The before is with stock 289 exhaust manifold and after is with Hedman longtube headers. Mufflers are the same before and after.
#1966
#mustang
#headers