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FlowtechPart 51525FLT✓ Fits 40 vehiclesMade in CN
Product Details
⚙️
Vehicle Fitment & Compatibility
40 applicationsCompatible Engines
5.7L V8 350ci5.0L V8 307ci
Application Notes
Header-back System. Fits 4WD vehicles only, Super Street, Header Dual Kit, Not Legal For Street Use.Header-back System
View all 40 vehicle applications
Years
Make / Model
Submodel
Engine
1973–1974
Chevrolet K10 Pickup
5.7L V8 350ci
1973–1974
Chevrolet K10 Pickup
5.7L V8 350ci
1973
Chevrolet K10 Pickup
5.0L V8 307ci
1973
Chevrolet K10 Pickup
5.0L V8 307ci
1973–1974
Chevrolet K10 Suburban
5.7L V8 350ci
1973–1974
Chevrolet K10 Suburban
5.7L V8 350ci
1973
Chevrolet K10 Suburban
5.0L V8 307ci
1973
Chevrolet K10 Suburban
5.0L V8 307ci
1973–1974
Chevrolet K20 Pickup
5.7L V8 350ci
1973–1974
Chevrolet K20 Pickup
5.7L V8 350ci
1973
Chevrolet K20 Pickup
5.0L V8 307ci
1973
Chevrolet K20 Pickup
5.0L V8 307ci
1973–1974
Chevrolet K20 Suburban
5.7L V8 350ci
1973–1974
Chevrolet K20 Suburban
5.7L V8 350ci
1973
Chevrolet K20 Suburban
5.0L V8 307ci
1973
Chevrolet K20 Suburban
5.0L V8 307ci
1973–1974
Chevrolet K30 Pickup
5.7L V8 350ci
1973–1974
Chevrolet K30 Pickup
5.7L V8 350ci
1973
Chevrolet K30 Pickup
5.0L V8 307ci
1973
Chevrolet K30 Pickup
5.0L V8 307ci
1973–1974
GMC K15/K1500 Pickup
5.7L V8 350ci
1973–1974
GMC K15/K1500 Pickup
5.7L V8 350ci
1973
GMC K15/K1500 Pickup
5.0L V8 307ci
1973
GMC K15/K1500 Pickup
5.0L V8 307ci
1973–1974
GMC K15/K1500 Suburban
5.7L V8 350ci
1973–1974
GMC K15/K1500 Suburban
5.7L V8 350ci
1973
GMC K15/K1500 Suburban
5.0L V8 307ci
1973
GMC K15/K1500 Suburban
5.0L V8 307ci
1973–1974
GMC K25/K2500 Pickup
5.7L V8 350ci
1973–1974
GMC K25/K2500 Pickup
5.7L V8 350ci
1973
GMC K25/K2500 Pickup
5.0L V8 307ci
1973
GMC K25/K2500 Pickup
5.0L V8 307ci
1973–1974
GMC K25/K2500 Suburban
5.7L V8 350ci
1973–1974
GMC K25/K2500 Suburban
5.7L V8 350ci
1973
GMC K25/K2500 Suburban
5.0L V8 307ci
1973
GMC K25/K2500 Suburban
5.0L V8 307ci
1973–1974
GMC K35/K3500 Pickup
5.7L V8 350ci
1973–1974
GMC K35/K3500 Pickup
5.7L V8 350ci
1973
GMC K35/K3500 Pickup
5.0L V8 307ci
1973
GMC K35/K3500 Pickup
5.0L V8 307ci
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Key Features
For use with factory exhaust manifold system order sales #52525FLT. For direct fit using headers 51525FLT kit should be used with Flowtech Headers sales #11500FLT or 31500FLT. Header flanges not included. Required Muffler "inlet and outlet" tube size is
FLOWTECH Super Street Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. This kit includes tailpipes, clamps and hangers, excluding mufflers. Designed to be used with FLOWTECH headers 11500FLT and 31500FLT. Header flanges required if using headers other that the ones listed. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. This kit features factory exit locations and with hardware and instructions included.
Fits 1973-1974, 305-400 Engine, Chevrolet / GMC / Pickup, 1/2, 3/4 & 1-TON, 4 WHEEL DRIVE ONLY. 2.25 inch tubing. See "Installation Notes" for specific fit requirements.
- Heavy Duty 2.25" 16-gauge tubing for increased performance
- Header Dual Kit includes all installation hardware
- Custom fit for both factory manifolds and aftermarket headers
- NOTE: Mufflers and header flanges not included
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About this product
Fits 1973-1974, 305-400 Engine, Chevrolet / GMC / Pickup, 1/2, 3/4 & 1-TON, 4 WHEEL DRIVE ONLY. 2.25 inch tubing. See "Installation Notes" for specific fit requirements.
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Product Specifications
Automotive Item Grade
Performance
Brand
Flowtech Exhaust
California Proposition 65 Chemical Name
1
California Proposition 65 Required
Yes
Category
Exhaust
Emission Code
4
Exhaust Series
Flowtech
Exhaust Tip Material
Aluminized
Main Piping Diameter
2.25
Material
Aluminized Steel
Part Type
Exhaust System Kit
Pipe Wall Gauge
16
Product Type
Exhaust System
Prop 65 Yes/No
Yes
Sound Level
Pipe Only
Sub Category
Exhaust and Tail Pipes
Type
Header-back
Warning
California Proposition 65
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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
54.0 × 13.2 × 10.6 in
Shipping Dimensions
54.0 × 13.2 × 10.6 in
Weight
16828 g (16.83 kg)