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FlowtechPart 31500FLT✓ Fits 103 vehiclesMade in CN
Product Details
⚙️
Vehicle Fitment & Compatibility
103 applicationsCompatible Engines
5.7L V8 350ci5.0L V8 307ci5.3L V8 327ci4.6L V8 283ci5.4L V8 327ci
Application Notes
with Silver Ceramic Finish1-1/2 inch Tube Diameter
View all 103 vehicle applications
Years
Make / Model
Submodel
Engine
1969–1974
Chevrolet Blazer
5.7L V8 350ci
1969–1973
Chevrolet Blazer
5.0L V8 307ci
1966–1969
Chevrolet C10 Pickup
5.3L V8 327ci
1966–1967
Chevrolet C10 Pickup
4.6L V8 283ci
1968–1973
Chevrolet C10 Pickup
5.0L V8 307ci
1968
Chevrolet C10 Pickup
5.4L V8 327ci
1969–1974
Chevrolet C10 Pickup
5.7L V8 350ci
1967–1969
Chevrolet C10 Suburban
5.3L V8 327ci
1967
Chevrolet C10 Suburban
4.6L V8 283ci
1968–1973
Chevrolet C10 Suburban
5.0L V8 307ci
1968
Chevrolet C10 Suburban
5.4L V8 327ci
1969–1974
Chevrolet C10 Suburban
5.7L V8 350ci
1966–1969
Chevrolet C20 Pickup
5.3L V8 327ci
1966–1967
Chevrolet C20 Pickup
4.6L V8 283ci
1968–1973
Chevrolet C20 Pickup
5.0L V8 307ci
1968
Chevrolet C20 Pickup
5.4L V8 327ci
1969–1974
Chevrolet C20 Pickup
5.7L V8 350ci
1967–1969
Chevrolet C20 Suburban
5.3L V8 327ci
1967
Chevrolet C20 Suburban
4.6L V8 283ci
1968–1973
Chevrolet C20 Suburban
5.0L V8 307ci
1969–1974
Chevrolet C20 Suburban
5.7L V8 350ci
1966–1969
Chevrolet C30 Pickup
5.3L V8 327ci
1966–1967
Chevrolet C30 Pickup
4.6L V8 283ci
1968–1973
Chevrolet C30 Pickup
5.0L V8 307ci
1968
Chevrolet C30 Pickup
5.4L V8 327ci
1969–1974
Chevrolet C30 Pickup
5.7L V8 350ci
1966–1969
Chevrolet K10 Pickup
5.3L V8 327ci
1966–1967
Chevrolet K10 Pickup
4.6L V8 283ci
1968–1973
Chevrolet K10 Pickup
5.0L V8 307ci
1968
Chevrolet K10 Pickup
5.4L V8 327ci
1969–1974
Chevrolet K10 Pickup
5.7L V8 350ci
1967–1969
Chevrolet K10 Suburban
5.3L V8 327ci
1967
Chevrolet K10 Suburban
4.6L V8 283ci
1968–1973
Chevrolet K10 Suburban
5.0L V8 307ci
1968
Chevrolet K10 Suburban
5.4L V8 327ci
1969–1974
Chevrolet K10 Suburban
5.7L V8 350ci
1966–1969
Chevrolet K20 Pickup
5.3L V8 327ci
1966–1967
Chevrolet K20 Pickup
4.6L V8 283ci
1968–1973
Chevrolet K20 Pickup
5.0L V8 307ci
1968
Chevrolet K20 Pickup
5.4L V8 327ci
1969–1974
Chevrolet K20 Pickup
5.7L V8 350ci
1967–1969
Chevrolet K20 Suburban
5.3L V8 327ci
1967
Chevrolet K20 Suburban
4.6L V8 283ci
1968–1973
Chevrolet K20 Suburban
5.0L V8 307ci
1968
Chevrolet K20 Suburban
5.4L V8 327ci
1969–1974
Chevrolet K20 Suburban
5.7L V8 350ci
1968–1973
Chevrolet K30 Pickup
5.0L V8 307ci
1968–1969
Chevrolet K30 Pickup
5.3L V8 327ci
1968
Chevrolet K30 Pickup
5.4L V8 327ci
1969–1974
Chevrolet K30 Pickup
5.7L V8 350ci
1966
Chevrolet Suburban
4.6L V8 283ci
1966
Chevrolet Suburban
5.3L V8 327ci
1967–1968
GMC C15/C1500 Pickup
5.3L V8 327ci
1967
GMC C15/C1500 Pickup
4.6L V8 283ci
1968–1973
GMC C15/C1500 Pickup
5.0L V8 307ci
1968
GMC C15/C1500 Pickup
5.4L V8 327ci
1969–1974
GMC C15/C1500 Pickup
5.7L V8 350ci
1967–1968
GMC C15/C1500 Suburban
5.3L V8 327ci
1967
GMC C15/C1500 Suburban
4.6L V8 283ci
1968–1973
GMC C15/C1500 Suburban
5.0L V8 307ci
1968
GMC C15/C1500 Suburban
5.4L V8 327ci
1969–1974
GMC C15/C1500 Suburban
5.7L V8 350ci
1967–1968
GMC C25/C2500 Pickup
5.3L V8 327ci
1967
GMC C25/C2500 Pickup
4.6L V8 283ci
1968–1973
GMC C25/C2500 Pickup
5.0L V8 307ci
1968
GMC C25/C2500 Pickup
5.4L V8 327ci
1969–1974
GMC C25/C2500 Pickup
5.7L V8 350ci
1967–1968
GMC C25/C2500 Suburban
5.3L V8 327ci
1967
GMC C25/C2500 Suburban
4.6L V8 283ci
1968–1973
GMC C25/C2500 Suburban
5.0L V8 307ci
1968
GMC C25/C2500 Suburban
5.4L V8 327ci
1969–1974
GMC C25/C2500 Suburban
5.7L V8 350ci
1967–1968
GMC C35/C3500 Pickup
5.3L V8 327ci
1967
GMC C35/C3500 Pickup
4.6L V8 283ci
1968–1973
GMC C35/C3500 Pickup
5.0L V8 307ci
1968
GMC C35/C3500 Pickup
5.4L V8 327ci
1969–1974
GMC C35/C3500 Pickup
5.7L V8 350ci
1970–1974
GMC Jimmy
5.7L V8 350ci
1970–1973
GMC Jimmy
5.0L V8 307ci
1967–1968
GMC K15/K1500 Pickup
5.3L V8 327ci
1967
GMC K15/K1500 Pickup
4.6L V8 283ci
1968–1973
GMC K15/K1500 Pickup
5.0L V8 307ci
1968
GMC K15/K1500 Pickup
5.4L V8 327ci
1969–1974
GMC K15/K1500 Pickup
5.7L V8 350ci
1967–1968
GMC K15/K1500 Suburban
5.3L V8 327ci
1967
GMC K15/K1500 Suburban
4.6L V8 283ci
1968–1973
GMC K15/K1500 Suburban
5.0L V8 307ci
1968
GMC K15/K1500 Suburban
5.4L V8 327ci
1969–1974
GMC K15/K1500 Suburban
5.7L V8 350ci
1966–1967
GMC K25/K2500 Pickup
4.6L V8 283ci
1967–1968
GMC K25/K2500 Pickup
5.3L V8 327ci
1968–1973
GMC K25/K2500 Pickup
5.0L V8 307ci
1968
GMC K25/K2500 Pickup
5.4L V8 327ci
1969–1974
GMC K25/K2500 Pickup
5.7L V8 350ci
1967–1968
GMC K25/K2500 Suburban
5.3L V8 327ci
1967
GMC K25/K2500 Suburban
4.6L V8 283ci
1968–1973
GMC K25/K2500 Suburban
5.0L V8 307ci
1968
GMC K25/K2500 Suburban
5.4L V8 327ci
1969–1974
GMC K25/K2500 Suburban
5.7L V8 350ci
1968–1973
GMC K35/K3500 Pickup
5.0L V8 307ci
1968
GMC K35/K3500 Pickup
5.3L V8 327ci
1968
GMC K35/K3500 Pickup
5.4L V8 327ci
1969–1974
GMC K35/K3500 Pickup
5.7L V8 350ci
No applications match your search.
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Key Features
Requires Flowtech air conditioning bracket 10042FLT. May require clutch linkage modification. Does not fit with angle plug heads. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. C
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.
1966-1974 Chevy/GMC 1/2 & 3/4 & 1-Ton 2WD & 4WD, 1967-1974 Blazer/Jimmy 2WD, 1966-1972 Blazer/Jimmy K5/Suburban 4WD, 1973-1974 Blazer/Jimmy K5/Suburban 2WD & 4WD: 283-400, Tube Size 1.5", Collector Size 3"
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
- Works with power steering and power brakes
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About this product
1966-1974 Chevy/GMC 1/2 & 3/4 & 1-Ton 2WD & 4WD, 1967-1974 Blazer/Jimmy 2WD, 1966-1972 Blazer/Jimmy K5/Suburban 4WD, 1973-1974 Blazer/Jimmy K5/Suburban 2WD & 4WD: 283-400, Tube Size 1.5", 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
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
Long Tube
Drive
2WD
Drive
4WD
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
Oval
Primary Tubing Diameter
1 1/2
Primary Tubing Diameter
1.50
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
37.8 × 19.8 × 9.7 in
Shipping Dimensions
37.8 × 19.8 × 9.7 in
Weight
13789 g (13.79 kg)