Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/2.5" Dual Outlet Driveshaft Slip Yoke 8 Pre-Programmed Resistance Ranges

8 Pre-Programmed Resistance Ranges

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Pump is for gasoline only

Notcher works with most standard hole saws to create a notch on the end of round tubing for properly attaching round tubing to round tubing

Comfortable Nylon Liner

Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/2.5" Dual Outlet Driveshaft Slip Yoke 8 Pre-Programmed Resistance RangesThe 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