Grand Rock - Resonator Type 4, 10" x 15" x 16", 4" ID - 3.8" OD Exhaust Type_Air Line Boxes Less dense foam formula for

Less dense foam formula for the application of waxes

and some all-in-one cleaner polishes

8"HPackage Weight3

5"17 Degree OD/FLARE Pyro

Grand Rock - Resonator Type 4, 10" x 15" x 16", 4" ID - 3.8" OD Exhaust Type_Air Line Boxes Less dense foam formula forGrand Rock Resonator Type 4, 10" x 15" x 16", 4" ID 3. 8" OD Exhaust Grand Rock Resonator Type 4, 10" x 15" x 16", 4" ID 3. 8" OD Exhaust 4 Inch Inlet ID (inner dimension) 3. 8 Inch Outlet OD (outer dimension) 10 inch round diameter 16 inch length Sold Individually Made in the USA Grand Rock Company is a major manufacturer and warehouse of superior exhaust systems for the aftermarket. Since 1970 Grand Rock has had its sights set on providing the