Flowmaster FlowFx Exhaust System - Cat-Back - 2-1/2" Diameter - Dual Rear Exit - 4-1/2" Black Ceramic Tips - Stainless - 5.7 L 20-OTL-NR 2800-3200 RPM Stall

2800-3200 RPM Stall

Each header is manufactured with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds

U-BOLT 1/2"-20 X 3" X 7"

3/8-24 Thread

1978-1991 Oldsmobile Cutlass Calais

Flowmaster FlowFx Exhaust System - Cat-Back - 2-1/2" Diameter - Dual Rear Exit - 4-1/2" Black Ceramic Tips - Stainless - 5.7 L 20-OTL-NR 2800-3200 RPM StallDoes not fit trucks with factory single exit tailpipe or the 2019 2023 new body style. Deep, Powerful Tone Inside and Outside the Vehicle FlowFX "Straight through" Performance Muffler 16 gauge Mandrel bent Stainless Steel Tubing Uses the Factory Hanger Locations Includes All Necessary Hardware Clears the Factory Spare Tire Lifetime Limited Warranty Easy Installation Product Description: Exhaust System FlowFx Cat Back 2 1 2 in Diameter Dual Rear Exit 4