This header is compatible with the following Mazda Miata MX-5 models equipped with a 1
4 V8 1985 Chevrolet C20 262/4
3 V8 1969 - 1970 GMC C25/C2500 Suburban 350/5
81/6 V 1988 - 1992 Ford Thunderbird Base 4/8 V 1988 - 1995 Ford Thunderbird LX 3
4L V8 1963 - 1967 Ford Thunderbird 427/7L V8 1966 - 1969 Chevrolet El Camino 327/5
Straight Through Muffler-Stainless SM12773-JHPR map-sensors This header is compatible withStreet Max, Stainless Straight Through Performance Muffler, 7. 0" x 30. 0" Round Body, Mild Tone, 16 Gauge 409 Grade Stainless Steel, Satin Finish, 4. 0" Center In, 4. 0" Center Out, Reversible, 3 Year Limited Warranty. Features: Straight Through Design (fully reversible) Improved Horsepower and Torque 409 Grade 16 Gauge Stainless Steel Construction High Heat Thermal Mesh Effective Drone Reduction Mild Tone Specs: Body Length (IN) 30 Body Type Round