Flowmaster 40 Series Chambered Muffler - 3 in Offset Inlet - 3 in Center Outlet - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 43041 91919939 8" Tread XL

8" Tread XL

1972-1983 Ford E-100 Econoline

By plugging the Selector into a retard module socket

Auto dimming feature

Flowmaster 40 Series Chambered Muffler - 3 in Offset Inlet - 3 in Center Outlet - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 43041 91919939 8" Tread XLThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Aggressive And Powerful Exterior Exhaust Tone Notable Interior Resonance Excellent Street Strip And Off Road Application