With a straight-through design for maximum flow and power, Thrush Glasspack mufflers feature exclusive Continuous Roving Fiberglass technology that absorbs unwanted resonance while maintaining a powerful tone.

Product Features:

• VINTAGE SOUND -- Delivers a powerful tone that is ideal for muscle cars, trucks and classic vehicles
• PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance
• ENGINEERED TO LAST -- Durable heavy-gauge steel shell with high-gloss red powder-coat finish
• SUPERIOR PERFORMANCE -- Straight-through design for maximum flow and power
• FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding)
• SPECS -- Available in 3.5-in. or 4-in. body; offered in a variety of overall lengths and inlet/outlet size configurations; see product specifications for more information