$129 Off
$129 Off
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#37817742
Flowmaster 17742 American Thunder Exhaust Kit, 1973-87 GM Trucks
- Specially designed for the 1973-87 GM 10/C20, 1/2and 3/4 ton, 2WD pickup Trucks
- Geared towards the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster
- System features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers
$1,024.95
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$1,153.95
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Product Summary
Header-Back Exhaust System Type, Dual Single or Dual
- Specially designed for the 1973-87 GM 10/C20, 1/2and 3/4 ton, 2WD pickup Trucks
- Geared towards the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster
- System features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers
- It provides adequate clearance for substantially lowered vehicles
- Manufactured in the USA and is covered by Flowmaster's 3 Year Limited Warranty
Key Specs
| MFG. Part # | 17742 |
| Exhaust System Type | Header-Back |
| Single or Dual | Dual |
| Exhaust Tubing Diameter | 2-1/2 Inch |
| Exhaust System Kit Type | Direct Fit |
Need To Know
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Flowmaster 17742 Details
Flowmaster's American Thunder Crossmember-back exhaust system for the 73-87 GM C10/C20, ½ and 3/4 ton, 2WD pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This Crossmember-back DOR/DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2.50" mandrel bent aluminized tubing and accommodates both dual and single exhaust crossmembers. This system is routed in a fashion that accommodates both long and short wheelbases with automatic or manual transmissions, and provides adequate clearance for substantially lowered vehicles. The exhaust system is manufactured in the USA and is covered by Flowmaster's 3 Year Limited Warranty. This system is not emissions compliant on vehicles that were originally equipped with catalytic converters. Note: This system is not designed as a direct bolt-on and will require the user to fabricate pipes to connect to manifolds or headers.
- Famous Flowmaster Sound
- Multiple Exit Options
- Patented Delta Flow Technology
- Made in the USA
Application
1973-1974 Chevrolet C20 Pickup
1973-1974 GMC C15/C1500 Pickup
1973-1974 GMC C25/C2500 Pickup
1975-1978 GMC C15
1975-1978 GMC C25
1975-1986 Chevrolet C10
1975-1986 Chevrolet C20
1979-1986 GMC C1500
1979-1986 GMC C2500
Charts
Guides & Documents
Flowmaster 17742 Specifications
Flowmaster 17742 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 17742 |
| Brand | Flowmaster |
| Exhaust System Type | Header-Back |
| Single or Dual | Dual |
| Exhaust Tubing Diameter | 2-1/2 Inch |
| Exhaust System Kit Type | Direct Fit |
| GENERAL | |
| Exhaust Exit | Dual Split Rear |
| Sound Level | Moderate/Aggressive |
| Muffler(s) Included | Yes |
| Muffler Quantity | 2 |
| Muffler Connections | Single Inlet | Single Outlet |
| Muffler Type | Welded Baffle |
| Drivetrain | 2WD |
| Exhaust Tip Included | No |
| Exhaust Tip Quantity | 0 |
| Exhaust System Material | Aluminized Steel |
| Exhaust System Finish | Natural |
| Exhaust Pipe Color | Natural |
| Muffler Body Shape | Oval |
| Muffler Series | Super 44 Series |
| Muffler Material | 409 Stainless Steel |
| Muffler Color | Grey |
| Mount Type | Flanged |
| Inlet Quantity | Dual |
| Inlet Size | 2.50" |
| Outlet Size | 2.50" |
| Tailpipe Diameter | 2.5" |
| Catalytic Converter(s) Included | No |
| Hardware Included | Yes |
| Sold in Quantity | Kit |
| GTIN Code | 700042032341 |
| Notes | Not Legal For Use On Vehicles Originally Equipped With Catalytic Converter |
| Exit Location | Rear |
Ratings & Reviews
Ratings & Reviews
Fitment
Fitment
1968 Chevy Bel Air
Gen 1 L14 Small Block Chevy
1968 Chevy Biscayne
Gen 1 L14 Small Block Chevy
1969-1973 Chevy Blazer
Gen 1 L14 Small Block Chevy
1969-1972 Chevy Brookwood
Gen 1 L14 Small Block Chevy
1968-1973 Chevy C10
Gen 1 L14 Small Block Chevy
1976-1982 Chevy C10
Gen 1 LG3 Small Block Chevy
1983 Chevy C10
2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy
1984 Chevy C10
Gen 1 LG3 Small Block Chevy
1985 Chevy C10
2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy
1986 Chevy C10
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy C10 Suburban
Gen 1 L14 Small Block Chevy
1976-1982 Chevy C10 Suburban
Gen 1 LG3 Small Block Chevy
1983 Chevy C10 Suburban
2-Piece Rear Main Chevy 350
1985 Chevy C10 Suburban
2-Piece Rear Main Chevy 350
1968-1973 Chevy C20
Gen 1 L14 Small Block Chevy
1977-1982 Chevy C20
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy C20 Suburban
Gen 1 L14 Small Block Chevy
1976-1978 Chevy C20 Suburban
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy C30
Gen 1 L14 Small Block Chevy
1978-1979 Chevy C30
Gen 1 LG3 Small Block Chevy
1969-1973 Chevy Camaro
Gen 1 L14 Small Block Chevy
1976-1982 Chevy Camaro
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy Caprice
Gen 1 L14 Small Block Chevy
1977 Chevy Caprice
Gen 1 LG3 Small Block Chevy
1983 Chevy Caprice
2-Piece Rear Main Chevy 350
1985 Chevy Caprice
2-Piece Rear Main Chevy 350
1968-1973 Chevy Chevelle
Gen 1 L14 Small Block Chevy
1968 Chevy Chevy II
Gen 1 L14 Small Block Chevy
1980 Chevy Corvette
Gen 1 LG3 Small Block Chevy
1985 Chevy Corvette
2-Piece Rear Main Chevy 350
1968-1973 Chevy El Camino
Gen 1 L14 Small Block Chevy
1976-1977 Chevy El Camino
Gen 1 LG3 Small Block Chevy
1978-1979 Chevy El Camino
2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy
1980-1982 Chevy El Camino
Gen 1 LG3 Small Block Chevy
1983 Chevy El Camino
2-Piece Rear Main Chevy 350
1969-1970 Chevy Estate
Gen 1 L14 Small Block Chevy
1977-1982 Chevy G10
Gen 1 LG3 Small Block Chevy
1968-1969 Chevy G10 Van
Gen 1 L14 Small Block Chevy
1970 Chevy G10 Van
2-Piece Rear Main Chevy 350
Gen 1 L14 Small Block Chevy
1971-1973 Chevy G10 Van
Gen 1 L14 Small Block Chevy
1977-1982 Chevy G20
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy G20 Van
Gen 1 L14 Small Block Chevy
1978-1979 Chevy G30
Gen 1 LG3 Small Block Chevy
1982 Chevy G30
Gen 1 LG3 Small Block Chevy
1970 Chevy G30 Van
2-Piece Rear Main Chevy 350
1968-1973 Chevy Impala
Gen 1 L14 Small Block Chevy
1977-1982 Chevy Impala
Gen 1 LG3 Small Block Chevy
1983 Chevy Impala
2-Piece Rear Main Chevy 350
1985 Chevy Impala
2-Piece Rear Main Chevy 350
1968-1973 Chevy K10
Gen 1 L14 Small Block Chevy
1977-1979 Chevy K10
Gen 1 LG3 Small Block Chevy
1981-1982 Chevy K10
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy K10 Suburban
Gen 1 L14 Small Block Chevy
1976-1982 Chevy K10 Suburban
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy K20
Gen 1 L14 Small Block Chevy
1977-1978 Chevy K20
Gen 1 LG3 Small Block Chevy
1980 Chevy K20
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy K20 Suburban
Gen 1 L14 Small Block Chevy
1977-1978 Chevy K20 Suburban
Gen 1 LG3 Small Block Chevy
1968-1973 Chevy K30
Gen 1 L14 Small Block Chevy
1970-1974 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1977-1981 Chevy K5 Blazer
Gen 1 LG3 Small Block Chevy
1983 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1985 Chevy K5 Blazer
2-Piece Rear Main Chevy 350
1969-1972 Chevy Kingswood
Gen 1 L14 Small Block Chevy
1973 Chevy Laguna
Gen 1 L14 Small Block Chevy
1976 Chevy Laguna
2-Piece Rear Main Chevy 350
Gen 1 LG3 Small Block Chevy
1973 Chevy Malibu
Gen 1 L14 Small Block Chevy
1976-1982 Chevy Malibu
Gen 1 LG3 Small Block Chevy
1970-1971 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1973-1975 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1976-1977 Chevy Monte Carlo
Gen 1 LG3 Small Block Chevy
1982-1983 Chevy Monte Carlo
2-Piece Rear Main Chevy 350
1976-1979 Chevy Monza
Gen 1 LG3 Small Block Chevy
1969-1973 Chevy Nova
Gen 1 L14 Small Block Chevy
1975 Chevy Nova
2-Piece Rear Main Chevy 350
1976-1979 Chevy Nova
Gen 1 LG3 Small Block Chevy
1980-1983 Chevy P30
2-Piece Rear Main Chevy 350
1985 Chevy P30
2-Piece Rear Main Chevy 350
1968-1969 Chevy P30 Van
Gen 1 L14 Small Block Chevy
1970 Chevy P30 Van
2-Piece Rear Main Chevy 350
1973 Chevy P30 Van
Gen 1 L14 Small Block Chevy
1969-1972 Chevy Townsman
Gen 1 L14 Small Block Chevy
1967 GMC C15/C1500 Suburban
2-Piece Rear Main Chevy 350
1980-1984 GMC C1500
2-Piece Rear Main Chevy 350
1980-1986 GMC C1500 Suburban
2-Piece Rear Main Chevy 350
1968-1972 GMC C25/C2500 Pickup
Gen 1 L14 Small Block Chevy
1968-1972 GMC C25/C2500 Suburban
Gen 1 L14 Small Block Chevy
1968-1972 GMC C35/C3500 Pickup
Gen 1 L14 Small Block Chevy
1978-1987 GMC Caballero
2-Piece Rear Main Chevy 350
1975-1978 GMC G15
2-Piece Rear Main Chevy 350
1967-1974 GMC G15/G1500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G1500
2-Piece Rear Main Chevy 350
1975-1978 GMC G25
2-Piece Rear Main Chevy 350
1967-1974 GMC G25/G2500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G2500
2-Piece Rear Main Chevy 350
1975-1978 GMC G35
2-Piece Rear Main Chevy 350
1967 GMC G35/G3500 Van
2-Piece Rear Main Chevy 350
1970-1974 GMC G35/G3500 Van
2-Piece Rear Main Chevy 350
1979-1986 GMC G3500
2-Piece Rear Main Chevy 350
1974-1977 GMC Jimmy
2-Piece Rear Main Chevy 350
1983-1984 GMC Jimmy
2-Piece Rear Main Chevy 350
1979-1984 GMC K1500
2-Piece Rear Main Chevy 350
1968-1972 GMC K25/K2500 Pickup
Gen 1 L14 Small Block Chevy
1968-1972 GMC K25/K2500 Suburban
Gen 1 L14 Small Block Chevy
1979-1984 GMC K2500
2-Piece Rear Main Chevy 350
1968-1972 GMC K35/K3500 Pickup
Gen 1 L14 Small Block Chevy
1967 GMC Suburban
Gen 1 L14 Small Block Chevy