Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.
Download Name | File Size |
fm_warranty_general.pdf | 88.58KB |
FM_Warranty_General.pdf | 88.58KB |
NAFTA_COO-2013.pdf | 105.94KB |
17104.pdf | 102.37KB |
17104_instructions.pdf | 1.69MB |
Make | Model | Submodel | Years | Engine | Fitment Notes |
Chevrolet | Camaro | Base | 1968 | 5.3L / 327 / V8 4.1L / 250 / L6 3.8L / 230 / L6 5.4L / 327 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Chevrolet | Camaro | Base | 1969 | 7.0L / 427 / V8 5.3L / 327 / V8 5.0L / 307 / V8 4.1L / 250 / L6 3.8L / 230 / L6 5.4L / 327 / V8 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | Base | 1974 | 4.1L / 250 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | LT | 1974 | 5.7L / 350 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | RS | 1968 | 5.3L / 327 / V8 4.1L / 250 / L6 3.8L / 230 / L6 5.4L / 327 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Chevrolet | Camaro | RS | 1969 | 7.0L / 427 / V8 5.3L / 327 / V8 5.0L / 307 / V8 4.1L / 250 / L6 3.8L / 230 / L6 5.4L / 327 / V8 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | SS | 1968 | 6.5L / 396 / V8 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | SS | 1969 | 6.5L / 396 / V8 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | Z28 | 1968 | 4.9L / 302 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Chevrolet | Camaro | Z28 | 1974 | 5.7L / 350 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Chevrolet | Camaro | 1967 | 6.5L / 396 / V8 5.3L / 327 / V8 4.9L / 302 / V8 4.1L / 250 / L6 3.8L / 230 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
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Chevrolet | Camaro | 1970 | 6.6L / 402 / V8 5.0L / 307 / V8 4.1L / 250 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
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Chevrolet | Camaro | 1971 | 6.6L / 402 / V8 5.0L / 307 / V8 4.1L / 250 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
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Chevrolet | Camaro | 1972 | 6.6L / 402 / V8 5.0L / 307 / V8 4.1L / 250 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
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Chevrolet | Camaro | 1973 | 5.0L / 307 / V8 4.1L / 250 / L6 5.7L / 350 / V8 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
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Pontiac | Firebird | 350 HO | 1969 | 5.7L / 350 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 350 | 1968 | 5.7L / 350 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 350 | 1969 | 5.7L / 350 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 400 | 1967 | 6.6L / 400 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 400 | 1968 | 6.6L / 400 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 400 | 1969 | 6.6L / 400 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | Base | 1967 | 6.6L / 400 / V8 5.3L / 326 / V8 3.8L / 230 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Base | 1968 | 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Base | 1969 | 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Base | 1970 | 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Base | 1971 | 7.5L / 455 / V8 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | HO | 1967 | 6.6L / 400 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | Sprint | 1967 | 3.8L / 230 / L6 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Sprint | 1968 | 4.1L / 250 / L6 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Sprint | 1969 | 4.1L / 250 / L6 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance |
Pontiac | Firebird | Trans Am | 1969 | 6.6L / 400 / V8 | Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
Pontiac | Firebird | 1972 | 7.5L / 455 / V8 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
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Pontiac | Firebird | 1973 | 7.5L / 455 / V8 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
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Pontiac | Firebird | 1974 | 7.5L / 455 / V8 6.6L / 400 / V8 5.7L / 350 / V8 4.1L / 250 / L6 |
Single; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/Hardware/80 Series(TM) Crossflow Muffler;Legal On Non-Emissions Controlled Vehicles Or For Race Use Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance Call Tech Support Line For Assistance~Convertibles Require Aftermarket X-Brace Or 3/8 in. Shims For Clearance~Does Not Fit Convertibles w/o X-Brace Modification |
2WD/4WD | 2WD |
California Proposition 65 Required | No |
Emission Code | 5 |
Exhaust Series | American Thunder |
Exhaust Type | Single |
Exit Position | Dual Rear |
Exit Style | Straight |
Heat Shield | No |
Heat Shield Attached | No |
Inlet Diameter | 2.500 in. |
Inlet Diameter (in) | 2.5 |
Inlet Inside Diameter | N/A |
Material | Aluminized Steel |
Muffler Count | 1 |
Muffler Part Number | 42585 |
Muffler Quantity | 1 |
Muffler Series | 80 Series Crossflow |
Outlet Diameter | 2.500 in. |
Outlet Diameter (in) | 2.5 |
Outlet Outside Diameter | 2.500 in. |
Part Type | Exhaust System Kit |
Single Dual | Dual |
Single or Dual | Dual |
Sound Level | Moderate |
System Type | Header Back |
Tail Pipe Diameter | 2.500 in. |
Tip Diameter | N/A |
Tip Quantity | 0 |
Tubing Diameter | 2.500 in. |
Tubing Diameter (in) | 2.5 |
Type of Exhaust | Crossmember-back |
Warranty Time | 36 Months |