Kooks 2in x 4in 304 Stainless Stamped Merge Slip-On 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
$303.79
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 9909SM is Kooks' stamped merge version of the 2 inch slip-on collector. Four 2 inch inside diameter inlets come together into a stamped merge section that steps from 3-1/2 inch up to a 4 inch outside diameter outlet, which keeps the four pulses converging more gradually than a plain cone collector.
Key Features
- 4-into-1 stamped merge slip-on collector
- 2 inch inside diameter inlets slip over 2 inch primaries
- 3-1/2 inch merge section stepping to a 4 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: 9909SM
- Material: 304 stainless steel
- Inlet: 2 in ID (x4)
- Outlet: 3-1/2 in merged to 4 in OD
- Style: stamped merge, slip-on, 4-into-1
- Manufactured in the USA
Shipping Height: 6.0
Shipping Length: 6.0
Shipping Width: 6.0