Dynomax Super Turbo Crossflow aluminized Muffler

2-1/2" (63.5mm) Inlet, 2x 2-1/2" (63.5mm) Outlet

Shell Diameter 4-1/4" x 9-3/4" (107.95mm x 247.65mm)
Shell overall Length 24" (609.6mm)
Shell Length 19" (482.6mm)

To fit (Modifications/adaptors necessary !):
Chevrolet Camaro 5.0L, 5.7L 1975-1981 (except Z28),
Chevrolet Camaro 5.0L, 5.7L 4V High Output Code G and F with 4-bolt intermediate pipe connection 1984-1985,
Chevrolet Camaro 5.0L, 5.7L 4V High Output Code F or 8, with 3" Flare with loose flange connection to catalytic converter 1986-1991 (except 89-91 with Dual Catalysts),
Chevrolet Camaro 5.0L, 5.7L FI and MFI, Code F and 8 (with dual catalysts) 1989-1991,
Chevrolet Camaro 5.0L with 2-1/2" Flare Connection to catalytic converter 1983-1992 (except High Output),
Chevrolet Camaro 2.8L, 3.1L 1983-1992,
Chevrolet Camaro 5.7L 1993-1997,
Chevrolet Camaro 3.8L 1998-2002,
Pontiac Firebird 301", 305", 350", 400", 403" or 455" 1975-1979,
Pontiac Firebird 5.0L 1980-1981 (except Formula & Trans Am),
Pontiac Firebird 5.0L, 5.7L 4V High Output Code G and F with 4-bolt intermediate pipe connection 1984-1985,
Pontiac Firebird 5.0L, 5.7L 4V High Output Code F or 8, with 3" Flare with loose flange connection to catalytic converter 1986-1991 (except 89-91 with Dual Catalysts),
Pontiac Firebird 5.0L, 5.7L FI and MFI, Code F and 8 (with dual catalysts) 1989-1991,
Pontiac Firebird 5.0L with 2-1/2" Flare Connection to catalytic converter 1982-1992 (except High Output),
Pontiac Firdbird 2.8L, 3.1L 1983-1992,
Pontiac Firebird 5.7L 1993-1997 &
Pontiac Firebird 3.8L 1998-2002

Design and dimensions see the second big picture.

Direct-Fit tailpipes: # 174102 and 174103