Kooks Headers 9909SM 2" x 4" Stamped Merge Slip-On Collector 304 Stainless Steel

The Kooks Headers 9909SM is a 2-inch x 4-inch 304 stainless steel stamped merge slip-on collector featuring a 4-into-1 design for custom header and exhaust systems. This universal collector incorporates Kooks' patented scavenging spike technology, which optimizes exhaust gas flow and improves overall engine performance by efficiently merging exhaust pulses from four primary tubes.

Key Features:

• 2-inch inner diameter inlets designed to slip over 2-inch primary tubes
• 3.5-inch merge transitioning to a 4-inch outer diameter outlet
• Stamped merge construction for reliable flow characteristics
• Crafted from T304 aircraft-grade stainless steel for superior durability and corrosion resistance
• Includes two A/B style mounting tabs to secure the collector to primary tubes
• Universal design for custom exhaust fabrication applications

This collector is an essential component for building high-performance exhaust systems, offering improved exhaust scavenging and reduced back pressure. Kooks products are dyno and race tested and designed for maximum power. Each collector is sold individually and manufactured in the USA. Kooks stands behind its products with a limited lifetime warranty for the original purchaser.

Note: This product is not CARB compliant and is intended for off-road, racing, or competition use only.