Hedman Street Headers - 71-73 Mustang 4063 yet they are still able

yet they are still able to easily flow numbers that are in raised runner head territory

Mazda 1984-2005

2002-2006 Acura RSX

Mounting Stud

Most Accu-Drives require no modifications to the engine block

Hedman Street Headers - 71-73 Mustang 4063 yet they are still ableHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 3 4" Tube