Doug's Headers 2" 4-Tube Full-Length Silver Ceramic Long Tube Headers Pair Mustang 390/428 1967-1970
Highlights
- 3/8" Thick Machined Flanges
- 16-Gauge Steel Tubing
- Increases HP and Torque
- Reduces Backpressure
Pair of Doug's Headers 2" 4-Tube Full-Length Silver Ceramic Long Tube Headers for 1967-1970 Mustangs with a 390 or 428 Engine.
The full-length, precision-formed design of these Doug's Headers Long Tube Headers (D627) improves the performance of your 1967-1970 Mustang's 390 or 428 engine by increasing RPM horsepower and torque. It features a 2" primary tubing diameter and a 3" diameter for its collector's rectangular port, easily increasing exhaust flow!
Features and Benefits:
- Pair of full-length long tube headers
- Precision-formed construction with long transition collectors reduces backpressure
- Made from steel with semi-gloss silver ceramic finish
- Pre-polished to remove scratches before ceramic coating is applied
- Increases RPM horsepower and torque
- 2" primary tubing diameter
- 3" collector rectangular port diameter
- Heavy duty 16-gauge tube wall thickness
- 0.375" flange thickness prevents warping
- 3-bolt flange collector attachment
- Includes mounting hardware and gasket/seal
These headers are sold as a pair, each made from precision-formed steel with a 16-gauge tube wall thickness. Their long transition collectors reduce your exhaust system's backpressure while the 0.375" thick flange maintains a strong, warp-free construction. Each piece is finished with a semi-gloss silver ceramic coating that is applied after a pre-polishing process that removes unsightly flaws. These headers also come with all mounting hardware and gaskets that are required for installation.
*Does NOT have an EGT port or an Oxygen Sensor port.
Vehicle Fitment:
- 1967-1970 Mustang with 390/428 Engine
California Residents: Proposition 65 Warning
Related Categories: Mustang Long Tube Headers
Installation Difficulty

Intermediate skill is required for this installation.











