Kooks Headers 9901S Universal 1-5/8in x 3in Slip-On Header Collector

The Kooks Headers 9901S is a universal slip-on header collector designed to optimize exhaust flow and enhance engine performance. This collector features a 4-into-1 design that merges four primary tubes into a single outlet, improving exhaust scavenging and power delivery.

Key Features:

• Constructed from premium 304 stainless steel for superior corrosion resistance and durability
• 1-5/8 inch (1.625 inch) inside diameter inlets designed to slip over 1-5/8 inch primary tubes
• 3 inch outside diameter outlet for connecting to exhaust systems
• 7 inch body length provides extended collector design for improved flow
• 4-into-1 collector style optimizes exhaust scavenging
• Includes mounting tabs to secure collector to primary tubes
• Handcrafted in the USA by Kooks Headers
• Sold individually

This universal collector is designed for custom exhaust fabrication and fits a wide range of performance applications. The slip-on design allows for easy installation on headers with 1-5/8 inch diameter primary tubes. Kooks Headers has been manufacturing high-quality exhaust components since 1962, with products trusted by racers and enthusiasts across NHRA, IHRA, NMCA, NASCAR, and other racing organizations.