Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/Offset - Outlet 4033 Being that FLO-FAST will PUMP

Being that FLO-FAST will PUMP or DRAW at the same rate of 5 gallon per minute

Electroplated U-bolts and hardware included - for corrosion protection

Factory length for '87+ Chevrolet 262-400 with OE hydraulic roller cams

The valve covers are designed to be light weight

Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/Offset - Outlet 4033 Being that FLO-FAST will PUMPThe 70 series utilizes Flowmaster's patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. 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 Stock to Mild Exterior Exhaust