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FLOWMASTER 17742 Part Description
Manufacturer
Product Description
American Thunder Header Back Exhaust System
Application Summary
1973 to 1987 Chevrolet and GMC C10 (1/2 ton) and C20 (3/4 ton) Pickup Trucks; 2 Wheel Drive Only. Not emissions compliant on vehicles originally equipped with a catalyst system.
Features & Benefits
- Limited Lifetime Warranty
- Moderate Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- Famous Flowmaster sound
- Multiple Exit Options
- Patented Delta Flow Technology
- Made in the USA
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
17742; header-back; american thunder kit; exhaust system
FLOWMASTER 17742 Specifications
Product Attributes
| Color | Black |
| Exhaust Series | American Thunder |
| Exhaust Type | Dual |
| Exit Position | Dual Rear Same Side |
| Exit Style | Straight |
| Inlet Diameter | 2.500 in. |
| Inlet Inside Diameter | 2.500 in. |
| Material | Aluminized Steel |
| Mount Type | Flanged |
| Muffler Count | 2 |
| Muffler Series | Super 44 |
| Muffler Type | Welded Baffle |
| Outlet Diameter | 2.500 in. |
| Outlet Outside Diameter | 2.500 in. |
| Shape | Oval |
| Single Or Dual | Dual |
| Sound Level | Moderate/Aggressive |
| System Type | Header Back |
| Tail Pipe Diameter | 2.500 in. |
| Tip Diameter | N/A |
| Title | Flowmaster 17742 Header-back 409S - American Thunder Kit - DOR/S - Mod/Agg Sound |
| Tubing Diameter | 2.500 in. |
| Tubing Material | Aluminized Steel |
Additional Information
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8708925000 |
| Harmonized Tariff Code (HTS) | 8708925000 |
| MSDS Sheet Number | N |
| NAFTA Preference Criterion Code | B |
| Refurbished Part | N |
| Remanufactured Part | N |
| Stock Status | S |
| Warranty Special | Limited Lifetime |
| Warranty Special UOM | LF |
| UPC | 00700042032341 |
FLOWMASTER 17742 Fits Vehicles
- GMC C25/C2500 Pickup (1973-1974)
- GMC C15/C1500 Pickup (1973-1974)
- Chevrolet C20 Pickup (1973-1974)
- Chevrolet C10 Pickup (1973-1974)
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FLOWMASTER 17742 Manufacturer Information
A brand under Holley Performance Products, an automotive performance company based in Bowling Green, Kentucky, Flowmaster® provides a broad selection of performance exhaust systems, air intakes, and mufflers. It also offers turbo boost modules, headers, race mufflers, and various exhaust accessories for trucks, off-road, SUVs, Jeeps, powersports vehicles, classic muscle cars, and other late model cars. For more than 30 years, Flowmaster has been delivering only the best automotive exhaust products to the market and living up to its name as “The Exhaust Technology Company.” Today, the company takes its mission statement a notch higher by offering exciting new product categories to enhance its exhaust products portfolio. It aims to be “The Performance Technology Company” automotive enthusiasts can trust.
FLOWMASTER 17742 Questions & Answers
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