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Instruction Sheets for Part Number KOK-21603111
X-Pipe, Exhaust, Stainless Steel, Natural, Mid-Pipe, 3 in. Diameter, Chevrolet, Corvette, C6, Kit
See More Specifications
Estimated Ship Date: Dec 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
21603111
Part Type:
Product Line:
Summit Racing Part Number:
KOK-21603111
UPC:
842422174675
Header Style:
Long tube one-piece
Pipe Style:
X-pipe
Pipe Diameter (in.):
3.000 in.
Includes Catalytic Converters:
No
Pipe Material:
304 stainless steel
Pipe Finish:
Natural
Oxygen Sensor Bung Included:
Yes
Quantity:
Sold as a kit.
Notes:
2.500 in. OEM-style outlet. Off-road use only. Must be used with Kooks headers.
Special Attention:
WARNING: This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability, including fines of up to $4,819 per day.
Kooks Headers Race X-Pipes
Kooks Headers Race X-pipes are used primarily for high-rpm performance and race applications. Kooks Headers Race X-pipes are heavy-duty and crack-resistant, featuring large diameter stainless steel construction with smooth-flowing mandrel-bent tubing. Some applications require cutting the factory exhaust system.
Note: Kooks Headers Race X-pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
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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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