Kooks 3-1/2in NASCAR Whelen Modified Spec Muffler 8in Quad-Core Body
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$113.13
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The Kooks QCN350 is the 3-1/2 inch spec muffler for the NASCAR Whelen Modified division. It uses a quad-core directional design in an 8 inch polished stainless body, with a 16 inch overall length, 5 inch outside diameter body, 3-1/2 inch inside diameter inlet and 3-1/2 inch outside diameter outlet.
Key Features
- Quad-core style directional muffler
- 3-1/2 inch inside diameter inlet, 3-1/2 inch outside diameter outlet
- 8 inch long body, 16 inch overall length
- 5 inch outside diameter body
- Polished stainless steel
- Sold individually
Fitment
- NASCAR Whelen Modified division spec muffler
Product Details
- Brand: Kooks Headers & Exhaust
- Manufacturer Part Number: QCN350
- Material: polished stainless steel
- Inlet: 3-1/2 in ID
- Outlet: 3-1/2 in OD
- Body length: 8 in
- Overall length: 16 in
- Body diameter: 5 in OD
- Manufactured in the USA
Sanctioning body rules are reissued each season, so confirm current class requirements before competition use.
Shipping Height: 6.0
Shipping Length: 6.0
Shipping Width: 6.0