Jones Exhaust A4522B Glasspack Muffler Blank 2-1/2 Inlet & Outlet AP 5" diameter steel shell encloses

5" diameter steel shell encloses an interior spiral louver baffle design that increases exhaust velocity while decreasing backpressure

GMC Savana 3500 (1997-2000)

1968-1970 Pontiac GTO 455 CID

White/GMC WG (1992-1995)

Jones Exhaust A4522B Glasspack Muffler Blank 2-1/2 Inlet & Outlet AP 5" diameter steel shell enclosesOverview: Jones Exhaust glasspack mufflers are built for premium performance, without the premium price tag. Every Jones Exhaust glasspack features the option of standard flow or reverse flow, giving you the ability to maximize exhaust performance. The aluminzied steel construction ensures years of service life from the muffler. Features Improves exhaust flow Provides moderate sound output Aluminized steel construction Premium muffler quality without