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Kooks Headers

Kooks Universal Nascar Modified Spec Muffler

MPN: qcn350 Catalog #: 001391667 Category: Muffler Check Vehicle Fitment

Product Details

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, Get Kookin with KOOKS!

3-1/2in. NASCAR Whelen Modified Spec Muffler. Polished Stainless Steel. Quad-Core Style Directional Muffler. 8in. Long Body. 16in. Overall Length. 5in. O.D. Body. 3-1/2in. I.D. Inlet. 3-1/2in. O.D. Outlet. Sold Individually.

3-1/2 NASCAR Whelen Modified Spec Muffler. Polished Stainless Steel. Quad-Core Style Directional Muffler. 8ö Long Body. 16 Overall Length. 5 O.D. Body. 3-1/2 I.D. Inlet. 3-1/2 O.D. Outlet. Sold Individually.

3-1/2 NASCAR Whelen Modified Spec Muffler Polished Stainless SteelQuad-Core Style Directional Muffler 8ö Long Body16 Overall Length5 O.D. Body3-1/2 I.D. Inlet3-1/2 O.D. Outlet Sold Individually

3-1/2 NASCAR Whelen Modified Spec. Muffler - 8 Long Body

Kooks Universal Nascar Modified Spec Muffler

3-1/2in. NASCAR Modified Spec. Muffler

3-1/2 NASCAR Modified Spec. Muffler

Nascar Modified Spec Muffler

3-1/2 Muffler

Universal

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Product Specs

Brand
Kooks Headers
Part Number
qcn350
Catalog Number
001391667
Product Line
Muffler
Category
Exhaust
Type
Muffler
UPC / Barcode
842422136468
Vendor Product Category
Exhaust, Mufflers & Tips
Vendor Product Subcategory
Muffler
Length
6.00 in
Width
6.00 in
Height
6.00 in
Weight
8.00 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 198 Available - Ready to ship
Estimated timing Ships from factory

This item is showing manufacturer availability and may ship directly from the manufacturer. Tracking details are provided as soon as they become available. ETA 0-5 Days to ship.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 498 available as of 6/4/2026.

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