Kooks 2181Y500 1-7/8" Stepped Tri-Y Headers for 23-26 Corvette Z06 5.5L LT6

Vehicle Fitment

• 2023-2026 Chevrolet Corvette Z06 (C8), 5.5L V8 (LT6)

Fitment Notes

• Not CARB legal, cannot ship to California
• Bolt-on installation, no drilling/modification
• Professional installation recommended
• Clamps not included

Features

• 1-7/8" x 2" stepped Tri-Y design
• Stepped primary tubes reduce reversion
• Tri-Y merge collector improves scavenging
• Enhanced exhaust flow, real HP gains
• Dyno-tested for verified performance
• Race-tested in NHRA/IHRA/NASCAR competition
• Premium T304 aircraft-quality stainless steel
• Natural stainless finish, corrosion resistant
• Oval port design
• Stock bolt pattern
• Flanged collector connects to OEM cats or Kooks connection pipes
• CNC-mandrel bent tubing
• Handcrafted in the USA

Specifications

• Primary tube size: 1-7/8"
• Secondary tube size: 2"
• Tube design: Stepped
• Header design: Tri-Y
• Tube wall thickness: 16-gauge
• Collector attachment: 3-bolt flange
• Port shape: Oval
• Outlet diameter: OEM
• Material: T304 stainless steel
• Steel grade: Aircraft-quality
• Finish: Natural stainless
• Weight: 35 lbs
• Warranty: Limited lifetime

Included Components

• 2x Tri-Y Headers (driver and passenger side)
• Collector Gaskets
• Mounting Bolt Kit

Product Description

Kooks' 1-7/8" x 2" Stepped Tri-Y Headers bring genuine race-proven engineering to the Corvette Z06's high-revving 5.5L LT6, delivering enhanced exhaust flow for significant horsepower gains. Dyno and race tested, these headers are purpose-built for high-output engines that demand serious flow characteristics.

Built from premium T304 aircraft-quality stainless steel, each header is handcrafted in the USA with a natural stainless finish that resists corrosion while delivering a clean, professional look. Kooks has been a leader in high-performance headers and exhaust since 1962, with a track record spanning NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, and SCCA competition.

Installation is straightforward bolt-on with no drilling or modification required, though professional installation is recommended given the complexity of the job. Backed by Kooks' limited lifetime warranty to the original purchaser. Note: this product is not CARB legal and cannot be shipped to California.