Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / Outlet 913015 4L80E and 4L85E automatic transmissions

4L80E and 4L85E automatic transmissions with a PRNDL switch

Duration 221 / 226

0kg which is the typically accepted equivalent of a 5lbs system

002" for precise tuning

1968-1972 Oldsmobile Cutlass

Flowmaster 40 Series Delta Flow Muffler - 2.5" Center Inlet / Outlet 913015 4L80E and 4L85E automatic transmissionsThis two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. 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 To Moderate