Walker 18901 SoundFX Muffler 640206408967 Constructed of heavy gauge reinforced

Constructed of heavy gauge reinforced aluminum

Fits standard 1 Inch molding

Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift

As with all Mishimoto products

This high performance exhaust fan is constructed of a molded plastic housing

Walker 18901 SoundFX Muffler 640206408967 Constructed of heavy gauge reinforcedBrand Walker Model 18901 Aluminized steel construction for corrosion resistance and durability Spun locked heads for rupture resistance Tube and partition style interior design Mechanical interior joints for durability Spot welded bushings provide stability and system support SoundFX mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability,