
This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
Kooks 2-1/8" x 4" 304 Stainless Steel Slip-On Collector
Kooks 9911S Features
Experience the exceptional performance of the 9911S with the 2-1/8" x 4" 304 Stainless Steel Slip-On Collector. This collector features a 4-Into-1 design that enhances exhaust flow and maximizes power output.
Specifications of the 9911S
The 9911S offers a 2-1/8" I.D. inlet that slips over 2-1/8" primaries, ensuring a perfect fit. With Kooks' patented scavenging spike and a 4" O.D. outlet, this collector is engineered for performance.
Includes 2) A/B style tabs to secure to primaries. Sold individually for your convenience.
Features:- 4-Into-1 Design
- 2-1/8" I.D. Inlet to Slip Over 2-1/8" Primaries
- Kooks Patented Scavenging Spike
- 4" O.D. Outlet
- Includes 2) A/B Style Tabs to Secure to Primaries
- Sold Individually
- Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel.
- Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser.
- Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.