This universal original 40 series chambered muffler has dual 2.5 in. inlet, 3 in. outlet connections with dual inlets and a center outlet in a oval body and gives aggressive exhaust tone.

Flowmaster 425403-FM Technical Specifications:

• Chambered construction in aluminized steel.
• Oval body measuring 13 in. long, 9.75 in. wide and 4 in. high.
• 19 in. overall length.
• Aggressive sound level.

Flowmaster 425403-FM Compatibility Notes:

• Universal fit: not a direct fit, so some adaptation is required.
• Clamps and hangers are not included.

Emissions Note:

This part is legal for sale or uses on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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