Fits 2011-17 Ford Mustang 3.7L V6 1-5/8 Shorty Tuned Length Exhaust Headers-1442 washers Comes with a brass thread

Comes with a brass thread insert and a jam nut for a quick and easy installation

Excellent upgrade for Chevrolet Performance crate engines that use the plastic timing chain cover

3L 1955 Chevrolet Truck 3700 8V/4

317" Emission Code 5 Product Type Choke Parts Warranty Limited 90 Day

Applications: 2001-2003 Chevrolet Malibu

Fits 2011-17 Ford Mustang 3.7L V6 1-5/8 Shorty Tuned Length Exhaust Headers-1442 washers Comes with a brass threadThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 2011 2017 Ford Mustang 3. 7L V6 applications. Each header is manufactured with 1 5 8 in. CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. BBK tuned Length headers offer improved scavenging waves for better combustion, which leads to improved performance