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Instruction Sheets for Part Number HOK-16522HKR
Hooker Competition Header-Back Exhaust Systems
Exhaust Systems, Competition Header-Back, Dual, Steel, Aluminized, Split Side Exit, Chevy, GMC, Small Block, Kit
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Estimated Ship Date: Oct 22, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
16522HKR
Part Type:
Product Line:
Summit Racing Part Number:
HOK-16522HKR
UPC:
700414023601
System Material:
Steel
System Style:
Header-back
Exhaust Type:
Dual
Exit Location:
Split side
System Finish:
Aluminized
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
2.25 in.
Muffler Included:
No
Hardware Included:
Yes
Tailpipe Diameter (in.):
2.25 in.
Tip Included:
No
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Must use 2 1/4 in. offset inlet/center outlet muffler. Designed for use with Hooker Competition headers. Long wheel base models only.
Special Attention:
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Hooker Competition Header-Back Exhaust Systems
Maximize your exhaust flow and reduce back pressure. Hooker Competition header-back exhaust systems feature large-diameter, 16-gauge steel tubing for improved efficiency, less backpressure, and longer life. Each system is mandrel-bent to maintain a consistent inside diameter for maximum flow. All systems come without mufflers.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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