Kooks Headers 1142H460 1-7/8in. Long Tube Header and GREEN Catted H-Pipe Connection Kit

The Kooks 1142H460 is a complete long tube header and catted connection kit, bundling 1-7/8" x 3" stainless steel long tube headers with a 3" x 2-3/4" (OEM) GREEN Catted H-Pipe into one performance exhaust package. Handcrafted in the USA since 1962, Kooks delivers race-proven engineering for street and track applications.

Long Tube Header Specifications:

• 1-7/8" mandrel-bent primary tubes flowing into a 3" collector
• 16-gauge T304 aircraft-quality stainless steel construction
• 3/8" thick laser-cut flanges for a precision, leak-free fit
• Oval port design with stock bolt pattern
• Includes EGR fitting, gaskets, and all required installation hardware
• Integrated venturi-style collector for maximum exhaust scavenging

GREEN Catted H-Pipe Specifications:

• 3" inlet x 2-3/4" OEM-style outlet H-pipe configuration
• Kooks GREEN Catalytic Converters — EPA-verified, 400-cell high-flow substrate in a 4" cat body
• Engineered for naturally aspirated and forced induction applications up to 750 RWHP
• Enhanced precious metal catalyst coating for durability under high heat and boost
• Backed by Kooks' 2-year limited replacement warranty on GREEN Cats

Kit Includes:

• Pair of long tube headers
• GREEN catted H-pipe mid-section
• Header gaskets and mounting hardware
• O2 sensor extension harnesses

Every Kooks header is TIG welded, dyno and race tested, and carries a limited lifetime warranty to the original purchaser. A proper engine tune is recommended following installation to maximize power gains and ensure correct ECU operation.

California residents: This product may not be legal for use on public roads in California. Please review applicable CARB regulations before purchasing.