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Instruction Sheets for Part Number SUM-680100
Charts & Guides for Part Number SUM-680100
Summit Racing™ Header-Back Dual 2.25 Inch Exhaust System 1963-1974 Chevy, 1973-1974 Olds, 1967-1974 Pontiac SUM-680100
Part Number: SUM-680100
Summit Racing™ Header-Back Dual Exhaust Systems
Exhaust System, Header-Back, 2.25 inch, Split Rear, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, V8
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Estimated Ship Date: Monday 10/26/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-680100
Part Type:
Product Line:
Summit Racing Part Number:
SUM-680100
UPC:
190861033801
System Material:
Steel
System Style:
Header-back
Exhaust Type:
Dual
Exit Location:
Split rear
System Finish:
Aluminized
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
2.25 in.
Muffler Included:
Yes
Muffler Quantity:
Two
Muffler Configuration:
Single inlet/Single outlet
Muffler Style:
Turbo
Hardware Included:
Yes
Tailpipe Diameter (in.):
2.25 in.
Tip Included:
No
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
This exhaust system was designed for use with Hooker Super Competition or Competition headers. Modifications like cutting and welding may be required especially when using other brands of headers. Will not fit convertible models.
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.
Summit Racing™ Header-Back Dual Exhaust Systems
Get the most from your high performance mods with these Summit Racing™ dual exhaust systems for header-equipped passenger cars. The systems feature aluminized or 409 stainless steel tubing that is mandrel-bent for high exhaust flow, increased horsepower, and reduced backpressure. These header-back exhausts are available in dozens of configurations for proper fitment on a wide range of vehicles, both manual and automatic. Your options include material, finish, exit location, and pipe diameter. Feel the power when you're equipped with a Summit Racing™ dual exhaust system!
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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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