Kooks 1-3/4in x 3in 304 Stainless Slip-On Header Collector 4-Into-1
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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
$267.22
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.
Kooks builds the 9903S as a 4-into-1 slip-on collector sized for 1-3/4 inch primaries, merging into a 3 inch outside diameter outlet. It is made from 304 stainless steel and ships with the A/B style tabs used to lock the slip joint.
Key Features
- 4-into-1 slip-on collector design
- 1-3/4 inch inside diameter inlets slip over 1-3/4 inch primaries
- 3 inch outside diameter outlet
- 304 stainless steel construction
- Kooks patented scavenging spike
- Two A/B style tabs included
- Sold individually
Product Details
- Brand: Kooks Headers & Exhaust
- Manufacturer Part Number: 9903S
- Material: 304 stainless steel
- Inlet: 1-3/4 in ID (x4)
- Outlet: 3 in OD
- Style: slip-on, 4-into-1
- Manufactured in the USA
Shipping Height: 6.0
Shipping Length: 6.0
Shipping Width: 6.0