FlowTech Long Tube Header - Ceramic Coated for Chevrolet and GMC
Part # 31130FLT
Features
- Tuned-length primary tubes for better performance
- Mandrel-bent tubing for smooth exhaust flow
- Light weight & sturdy 16 gauge tubing
- Mandrel-formed Power Plenum collector for low back pressure
- Sturdy, leak-tested O-Ring port seals
- Engineered for a precision fit
- Designed for easy, trouble-free installation
- Includes all mounting hardware and premium gaskets
- Works with air conditioning, automatic and manual transmissions with floor shifters
Description
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.
Specifications
| Air Injection Tubes | No |
|---|---|
| Bolt Size | 3/8-16 x 3/4 in |
| Bolts Included | Yes |
| CARB (California) Compliant | No |
| Catalytic Converter Quantity | 0 |
| Collector Attachment | 3-Bolt Flange |
| Collector Diameter | 3.00 in |
| Collector Port Diameter | 3.00 in |
| Collector Reducer Included | Yes |
| Collector Reducer Outlet Dia. | 2.50 in |
| Color | Silver |
| Design | Long Tube |
| drive | 2WD |
| EGT Port | No |
| Engine | GM Big Block |
| Finish | Ceramic Coated |
| Flange Thickness | 0.3125 in |
| Gasket Or Seal Included | Yes |
| Grade Type | Performance |
| Header Series | Flowtech II |
| Header Style | Long Tube |
| Material | Mild Steel |
| Mounting Hardware Included | Yes |
| Oxygen Sensor Port | No |
| Port Shape | Round |
| Primary Tubing Diameter | 1 3/4 in |
| UPC / GTIN | 00787480311306 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 1971 - 1972 | Chevrolet | Bel Air | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 - 1974 | Chevrolet | Bel Air | Base | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Biscayne | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1970 | Chevrolet | Camaro | SS | 6.6L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 | Chevrolet | Camaro | Base, SS | 6.6L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1972 | Chevrolet | Camaro | Base, SS, Z28 | 6.6L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Caprice | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 - 1974 | Chevrolet | Caprice | Classic, Estate | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1965 | Chevrolet | Chevelle | Malibu Super Sport | 6.5L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1966 | Chevrolet | Chevelle | Super Sport 396 | 6.5L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1967 - 1969 | Chevrolet | Chevelle | SS 396 | 6.5L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1970 | Chevrolet | Chevelle | Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, SS 396, SS 454 | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Chevelle | Base, Concours, Concours Estate, Greenbrier, Heavy Chevy, Malibu, Nomad, SS | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 | Chevrolet | Chevelle | Deluxe, Laguna, Laguna Estate, Malibu, Malibu Estate, SS | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1974 | Chevrolet | Chevelle | Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1966 - 1967 | Chevrolet | El Camino | Base | 6.5L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1968 - 1969 | Chevrolet | El Camino | Base, Custom, SS | 6.5L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1970 | Chevrolet | El Camino | Base, Custom, SS | 6.5L V8, 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | El Camino | Base, Custom, SS | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 - 1974 | Chevrolet | El Camino | Base, Custom, SS | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Impala | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 - 1974 | Chevrolet | Impala | Base | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Kingswood | Base, Estate | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 - 1972 | Chevrolet | Townsman | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1971 | GMC | Sprint | Base | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1972 | GMC | Sprint | Base, Custom | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1973 | GMC | Sprint | Base, Custom | 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |
| 1974 | GMC | Sprint | Base, Custom | 6.6L V8, 7.4L V8 | 1-3/4 inch Tube Diameter, Ceramic Header; Primary Tube Coll. Size 1.75x3 in.; w/o A.I.R. Tubes; Modify Stock Exh. To Retain Cat. Converter; Not Legal For Street Use |