Doug's Headers 1.75" 4-Tube Full-Length Silver Ceramic Long Tube Headers Pair Mustang 390/428 1967-1970

This pair of Doug's Headers Long Tube Headers (D626) enhances the performance of 1967-1970 Mustangs equipped with 390 or 428 engines. These full-length long tube headers are constructed with precision-formed steel and feature a semi-gloss silver ceramic finish, providing both durability and a sleek appearance.

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
- 1.75" 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

Engineered to reduce backpressure through long transition collectors, these headers increase RPM horsepower and torque, delivering noticeable performance improvements. The 1.75" primary tubing diameter and 3" collector rectangular port diameter ensure optimal exhaust flow, while the heavy-duty 16-gauge tube wall thickness and 0.375" flange thickness offer superior strength and resistance to warping. Each header is pre-polished to remove scratches before the ceramic coating is applied, resulting in a smooth, polished finish. The 3-bolt flange collector attachment ensures a secure connection, and the package includes all necessary mounting hardware and gaskets for installation.

*Does NOT have an EGT port or an Oxygen Sensor port.

Vehicle Fitment:
- 1967-1970 Mustang with 390/428 Engine