Howe Muffler - Dual 3 in Inlets - 5 in Outlet - 7 in Diameter Body - 21 in Long - Gray 9410D Steam HolesSince 1989

Steam HolesSince 1989

Includes HydraMat Fuel Mat w/Internal Reservoir

pushrod diameter: 7/16"

1974-1979 Checker Marathon

quality and value

Howe Muffler - Dual 3 in Inlets - 5 in Outlet - 7 in Diameter Body - 21 in Long - Gray 9410D Steam HolesSince 1989Product Description: Muffler Dual 3 in Inlets 5 in Outlet 7 in Diameter Body 21 in Long Steel Gray Paint Sold Individually Howe Racing Enterprises began building and selling chassis and components in 1971 and since then we have produced countless innovative products and over 4,000 serial numbered chassis worldwide. Howe has dedicated 52 years and three generations to providing superior products for racing. The types and uses of Howe products