Flowmaster's Scavenger Series Elite long tube headers are designed to replace the factory cast iron manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 1-3/4 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster's popular 3 in. ball flange collector connections ensuring a leak free installation. Scavenger Series long tube headers deliver maximum performance and are suited to the enthusiast who wants the best. Like all Flowmaster products the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit these headers include gaskets and necessary hardware for easy installation. Note 1 - fits most Z-bars. Some vehicles may require Z-bar modification for proper fit. Note 2 - fits manual steering. Requires drop down bracket to fit with power steering. Note 3 - e-brake pivot bracket must be relocated on C6/AOD transmission. Note 4 -this product is legal only for off highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission controlled motor vehicles/motor vehicle engines (pre-1966 domestic vehicles certified to California standards, pre-1968 domestic vehicles certified to federal standards and all pre-1968 foreign vehicles), per the application guide.
Features:
- Stainless Steel Construction
- Ball And Socket Collector Connections
- Gasketless Leak Free Ball Flange Connections
- Dyno Tuned for Maximum Performance
- High Temperature Ceramic Coated
- Deliver Excellent Performance Gains
- Ceramic Coated For Long Term Protection
- Great Long Lasting Appearance
- 1 Year Warranty
- Premium Flowmaster Quality
Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
Installation Notes:
Fits 1964 to 1973 Mustang, with a 289 or 302 small block V8 engine, long tube headers
About Flowmaster
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.

Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make |
Model |
Years |
Engine |
Fitment Notes |
Ford |
Mustang |
1964 |
4.7L / 289 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1965 |
4.7L / 289 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1966 |
4.7L / 289 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1967 |
4.7L / 289 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1968 |
4.7L / 289 / V8 5.0L / 302 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1970 |
5.0L / 302 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1971 |
5.0L / 302 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1972 |
5.0L / 302 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |
Ford |
Mustang |
1973 |
5.0L / 302 / V8 |
1.75 in. Primary; 3.0 in. Ball Flange Collector; 14 Gauge Tubing; 3/8 in. Flange; Silver Ceramic Coating; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use |