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Flowmaster 80 Series Chambered Muffler for 1967-2002 Chevrolet Camaro and Pontiac Firebird

Part # 42583

  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Cross Flow Applications
  • The original two chamber design

Description

The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. The inlet is located next to one of the outlets on the same side of the case. Delivering an aggressive muscle car sound both inside and outside the vehicle. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Specifications

Body Height4.00 in
Body Length15.00 in
Body MaterialAluminized Steel
Body Width9.75 in
Clamps IncludedNo
ColorBlack
Exhaust Tip Quantity0
FinishHigh-Temperature Paint
Grade TypePerformance
Hanger IncludedNo
Heat Shield AttachedNo
Inlet ConnectionSlip-Fit
Inlet Diameter2.50 in
Inlet Inside Diameter2.50 in
Inlet LocationOffset
Inlet Outside Diameter2.63 in
Inlet Quantity1
Inlet TypeWeld-On
Mount TypeUses New Hangers (Not Included)
Muffler Series80 Series Crossflow
Muffler TypeChambered (Transverse)
Outlet ConnectionSlip-Fit
Outlet Inside Diameter2.50 in
Outlet LocationDual
Outlet Outside Diameter2.63 in
Outlet Quantity2
Outlet TypeDual
UPC / GTIN00700042010363
WarrantyManufacturer's Limited 3 Year Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1967ChevroletCamaroRS, SS5.7L V82.50 Inlet 2.50 Outlet
1968ChevroletCamaroSS5.7L V82.50 Inlet 2.50 Outlet
1969ChevroletCamaroBase, RS, SS5.7L V82.50 Inlet 2.50 Outlet
1970 - 1972ChevroletCamaroBase, RS, SS, Z285.7L V82.50 Inlet 2.50 Outlet
1973ChevroletCamaroBase, LT, RS, Z285.7L V82.50 Inlet 2.50 Outlet
1974ChevroletCamaroBase, LT, Z285.7L V82.50 Inlet 2.50 Outlet
1975ChevroletCamaroBase, LT, RS5.7L V82.50 Inlet 2.50 Outlet
1976ChevroletCamaroBase, LT, LT Rally Sport, Rally Sport5.7L V82.50 Inlet 2.50 Outlet
1977 - 1978ChevroletCamaroBase, LT, LT Rally Sport, Rally Sport, Z285.7L V82.50 Inlet 2.50 Outlet
1979 - 1980ChevroletCamaroBase, Berlinetta, Rally Sport, Z285.7L V82.50 Inlet 2.50 Outlet
1981ChevroletCamaroBerlinetta, Sport, Z285.7L V82.50 Inlet 2.50 Outlet
1982ChevroletCamaroBerlinetta, Sport, Z28, Z28 Indianapolis 500 Pace Car5.0L V82.50 Inlet 2.50 Outlet
1983 - 1984ChevroletCamaroBerlinetta, Sport, Z285.0L V82.50 Inlet 2.50 Outlet
1985 - 1986ChevroletCamaroBerlinetta, Iroc-Z, Sport, Z285.0L V82.50 Inlet 2.50 Outlet
1987 - 1990ChevroletCamaroIroc-Z5.7L V82.50 Inlet 2.50 Outlet
1991ChevroletCamaroZ285.7L V82.50 Inlet 2.50 Outlet
1992ChevroletCamaroZ28, Z28 Heritage Edition5.7L V82.50 Inlet 2.50 Outlet
1993ChevroletCamaroIndianapolis 500 Pace Car, Z285.7L V82.50 Inlet 2.50 Outlet
1994 - 1997ChevroletCamaroZ285.7L V82.50 Inlet 2.50 Outlet
1998ChevroletCamaroBase, Lujo3.8L V62.50 Inlet 2.50 Outlet
1999 - 2002ChevroletCamaroBase3.8L V62.50 Inlet 2.50 Outlet
1967PontiacFirebird326, 400, Base, HO, Sprint3.8L I6, 5.3L V8, 6.6L V82.50 Inlet 2.50 Outlet
1968PontiacFirebird350, 400, Base, HO, Sprint4.1L I6, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1969PontiacFirebird350, 350 HO, 400, Base, Sprint, Trans Am4.1L I6, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1970PontiacFirebirdBase, Esprit, Formula, Trans Am4.1L I6, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1971 - 1976PontiacFirebirdBase, Esprit, Formula, Trans Am4.1L I6, 5.7L V8, 6.6L V8, 7.5L V82.50 Inlet 2.50 Outlet
1977PontiacFirebirdBase, Esprit, Formula, Trans Am3.8L V6, 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1978PontiacFirebirdBase, Esprit, Formula, Trans Am3.8L V6, 5.0L V8, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1979PontiacFirebirdBase, Esprit, Formula, Trans Am3.8L V6, 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V82.50 Inlet 2.50 Outlet
1980PontiacFirebirdBase, Esprit, Formula, Trans Am3.8L V6, 4.3L V8, 4.9L V8, 5.0L V82.50 Inlet 2.50 Outlet
1981PontiacFirebirdBase, Esprit, Formula, Trans Am3.8L V6, 4.3L V8, 4.4L V8, 4.9L V8, 5.0L V82.50 Inlet 2.50 Outlet
1982 - 1986PontiacFirebirdBase, S/E, Trans Am2.5L I4, 2.8L V6, 5.0L V82.50 Inlet 2.50 Outlet
1987 - 1988PontiacFirebirdBase, Trans Am2.8L V6, 5.0L V8, 5.7L V82.50 Inlet 2.50 Outlet
1989PontiacFirebirdBase, Formula, Trans Am, Trans Am GTA, Trans Am GTA SE2.8L V6, 3.8L V6, 5.0L V8, 5.7L V82.50 Inlet 2.50 Outlet
1990 - 1992PontiacFirebirdBase, Formula, Trans Am, Trans Am GTA3.1L V6, 5.0L V8, 5.7L V82.50 Inlet 2.50 Outlet
1993PontiacFirebirdBase, Formula, Trans Am3.4L V6, 5.7L V82.50 Inlet 2.50 Outlet
1994PontiacFirebirdBase, Formula, Trans Am, Trans Am GT3.4L V6, 5.7L V82.50 Inlet 2.50 Outlet
1995PontiacFirebirdBase, Formula, Trans Am3.4L V6, 3.8L V6, 5.7L V82.50 Inlet 2.50 Outlet
1996 - 2002PontiacFirebirdBase, Formula, Trans Am3.8L V6, 5.7L V82.50 Inlet 2.50 Outlet