Flowmaster HP-2 Series Muffler - 2" Inlet, 2" Outlet - 18" Case - 409S H769001S 1975-1978 GMC G25

1975-1978 GMC G25

The accuracy of digital stepper motor gauges is further increased by utilizing a self calibration sequence during power up

stronger ring center

It began when our values and integrity met bold engineering excellence

2006-2013 Toyota 4Runner

Flowmaster HP-2 Series Muffler - 2" Inlet, 2" Outlet - 18" Case - 409S H769001S 1975-1978 GMC G25Constructed with an 18" long, painted 409S outer shell, and 409 Internal components. Available in 2. 00", 2. 25", and 2. 50" inlet outlet sizes. The 409S HP 2 mufflers have a case length of 18 inches and a 4. 00 X 5. 50 inch width. Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle. The 409S HP 2 mufflers feature a painted 409S outer shell, and 409S internal construction. Available in 2. 00, 2. 25, and 2.