1973-1974 Oldsmobile Omega Exhaust System - Flowmaster - Flowmaster American Thunder Kit, 2.5 in. Main Piping Diameter, Dual, Split rear, Natural, Stainless steel

Flowmaster American Thunder Exhaust System

Flowmaster's American Thunder exhaust system is designed with the latest technology to provide better performance. This system offers improved acceleration and passing power as well as increased fuel mileage. Engineered and dyno-tested for each application, the tubes in each kit are mandrel-bent for superior air flow and are made to deliver an aggressive exhaust tone.

Specifications:

• Header-back system
• Dual exit, split rear
• 2.5 in. piping diameter
• Single inlet and outlet muffler configuration
• Moderate sound level
• Dual 2.5 in. tips
• H-pipe, mounting hardware included
• Tail pipe in turn down style

• Mandrel-bent tubing
• Includes all required mounting hardware

Note:

• Series: Flowmaster American Thunder Kit
• Material: Stainless steel
• Color/Finish: Natural
• Quantity Sold: Assembly
• Muffler Sound Level: Aggressive
• Recommended Use: Performance
• Advertised Power Gains: On average, 5-7% performance increase over stock systems
• Anticipated Ship Out Time: 2-3 business days
• Attachment Style: Weld-On (Recommended) or Clamp-On
• Downpipe Diameter: 2.5 in.
• Exit Location: Split rear
• Exit Quantity: Dual
• Includes: H-pipe, mounting hardware
• Main Piping Diameter: 2.5 in.
• Muffler Configuration: Single inlet and outlet
• Muffler Finish: Natural
• Muffler Material: Stainless steel
• Muffler Quantity: Two
• Muffler Type: Chambered
• Notes: Tail pipe in turn down style
• System Type: Header-back
• Tip Diameter: 2.5 in.
• Warranty: Lifetime Flowmaster limited warranty
• Fit note: USA Built Vehicle

• 1973-1974: All Submodels; All Engines;
• 1973-1974: Base; 8 Cyl 5.7L;