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FlowtechPart 31130FLT✓ Fits 56 vehiclesMade in CN
Product Details
⚙️
Vehicle Fitment & Compatibility
56 applicationsCompatible Engines
7.4L V8 454ci6.6L V8 402ci6.5L V8 396ci
Application Notes
with Silver Ceramic Finish1-3/4 inch Tube Diameter, Ceramic HeaderPrimary Tube Coll. Size 1.75x3 in.w/o A.I.R. TubesModify Stock Exh. To Retain Cat. ConverterNot Legal For Street Use
View all 56 vehicle applications
Years
Make / Model
Submodel
Engine
1971–1974
Chevrolet Bel Air
7.4L V8 454ci
1971–1972
Chevrolet Bel Air
6.6L V8 402ci
1971–1972
Chevrolet Biscayne
7.4L V8 454ci
1971–1972
Chevrolet Biscayne
6.6L V8 402ci
1970–1972
Chevrolet Camaro
6.6L V8 402ci
1971–1972
Chevrolet Camaro
6.6L V8 402ci
1972
Chevrolet Camaro
6.6L V8 402ci
1971–1972
Chevrolet Caprice
7.4L V8 454ci
1971–1972
Chevrolet Caprice
6.6L V8 402ci
1973–1974
Chevrolet Caprice
7.4L V8 454ci
1973–1974
Chevrolet Caprice
7.4L V8 454ci
1965
Chevrolet Chevelle
6.5L V8 396ci
1966
Chevrolet Chevelle
6.5L V8 396ci
1967–1969
Chevrolet Chevelle
6.5L V8 396ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970–1972
Chevrolet Chevelle
6.6L V8 402ci
1970
Chevrolet Chevelle
6.6L V8 402ci
1970
Chevrolet Chevelle
7.4L V8 454ci
1971–1973
Chevrolet Chevelle
7.4L V8 454ci
1971–1972
Chevrolet Chevelle
6.6L V8 402ci
1971–1972
Chevrolet Chevelle
6.6L V8 402ci
1973–1974
Chevrolet Chevelle
7.4L V8 454ci
1973
Chevrolet Chevelle
7.4L V8 454ci
1973
Chevrolet Chevelle
7.4L V8 454ci
1973
Chevrolet Chevelle
7.4L V8 454ci
1973
Chevrolet Chevelle
7.4L V8 454ci
1974
Chevrolet Chevelle
7.4L V8 454ci
1974
Chevrolet Chevelle
7.4L V8 454ci
1974
Chevrolet Chevelle
7.4L V8 454ci
1966–1970
Chevrolet El Camino
6.5L V8 396ci
1968–1969
Chevrolet El Camino
6.5L V8 396ci
1968–1969
Chevrolet El Camino
6.5L V8 396ci
1970–1974
Chevrolet El Camino
7.4L V8 454ci
1970–1974
Chevrolet El Camino
7.4L V8 454ci
1970–1974
Chevrolet El Camino
7.4L V8 454ci
1970–1972
Chevrolet El Camino
6.6L V8 402ci
1970–1972
Chevrolet El Camino
6.6L V8 402ci
1970–1972
Chevrolet El Camino
6.6L V8 402ci
1971–1974
Chevrolet Impala
7.4L V8 454ci
1971–1972
Chevrolet Impala
6.6L V8 402ci
1971–1972
Chevrolet Kingswood
6.6L V8 402ci
1971–1972
Chevrolet Kingswood
7.4L V8 454ci
1971–1972
Chevrolet Kingswood
6.6L V8 402ci
1971–1972
Chevrolet Kingswood
7.4L V8 454ci
1971–1972
Chevrolet Townsman
6.6L V8 402ci
1971–1972
Chevrolet Townsman
7.4L V8 454ci
1971–1974
GMC Sprint
7.4L V8 454ci
1971–1972
GMC Sprint
6.6L V8 402ci
1972–1974
GMC Sprint
7.4L V8 454ci
1972
GMC Sprint
6.6L V8 402ci
1974
GMC Sprint
6.6L V8 402ci
1974
GMC Sprint
6.6L V8 402ci
No applications match your search.
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Key Features
Will not fit with Powerglide transmissions on Chevelles. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Ceramic coated headers require several heat cycles to fully cure before they will
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.
Fits 1970-1972 Camaro, 1964-1974 Chevelle, 1971-1974, 1964-1974 El Camino, 1971-1974 Wagon, Full Size 396-454, Tube Size 1-3/4", Collector Size 3"
- 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
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About this product
Fits 1970-1972 Camaro, 1964-1974 Chevelle, 1971-1974, 1964-1974 El Camino, 1971-1974 Wagon, Full Size 396-454, Tube Size 1-3/4", Collector Size 3"
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Product Specifications
Air Injection Tubes
No
Automotive Item Grade
Performance
Bolt Size
3/8-16 x 3/4
Bolts Included
Yes
Brand
Flowtech Exhaust
California Proposition 65 Chemical Name
1
California Proposition 65 Required
Yes
California Proposition 65
Yes
CARB (California) Compliant
No
Catalytic Converter Quantity
0
Category
Exhaust
Collector Attachment
3-Bolt Flange
Collector Diameter
3.00
Collector Port Diameter
3.00
Collector Reducer Included
Yes
Collector Reducer Outlet Diameter
2.50
Color
Silver
Design
Big Block Chevy Swap
Design
Long Tube
Drive
2WD
EGT Port
No
Emission Code
4
Finish
Ceramic Coated
Flange Thickness
0.3125
Flange Thickness
5/16
Gasket Or Seal Included
Yes
Header Series
Flowtech II
Header Style
Long Tube
Material
Mild Steel
Mounting Hardware Included
Yes
Oxygen Sensor Port
No
Part Type
Exhaust Header
Port Shape
Round
Primary Tubing Diameter
1 3/4
Primary Tubing Diameter
1.75
Product Type
Headers
Prop 65 Yes/No
Yes
Quantity
Sold as a pair
Sub Category
Exhaust Manifolds
Tube Wall Thickness
16
Warning
California Proposition 65
🛡️
Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
CN
⚠ Prop 65 Warning
Yes
1
Emissions Code
4
HS Code
8708925000
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Dimensions & Shipping
Product Dimensions
42.0 × 18.4 × 14.0 in
Shipping Dimensions
42.0 × 18.4 × 14.0 in
Weight
14606 g (14.61 kg)