Kooks 1-7/8in Headers & GREEN Catted Connection Kit | 2015-2026 Ford Mustang GT / Dark Horse 5.0L

Kooks complete 1-7/8" long-tube header and GREEN catted connection kit for the 2015-2026 Ford Mustang GT and Dark Horse 5.0L V8.

Complete Kit

• 1-7/8" x 3" stainless-steel long-tube headers
• GREEN catted connection pipes
• OEM connection adapters
• Kooks EPA-verified 400-cell high-flow GREEN catalytic converters
• GREEN cats engineered for modern muscle applications up to 750 RWHP
• Gaskets
• Oxygen-sensor extension harnesses
• Clamps and required installation hardware
• No additional connection parts required

Construction

• 304 stainless steel
• 3/8" thick laser-cut flanges
• 1-7/8" mandrel-bent primaries
• 3" collectors with Kooks patented scavenging spike
• Dual bolt-pattern header flange
• Hand-built in North Carolina, USA

Fitment

• 2015-2026 Ford Mustang GT / GT Premium 5.0L
• 2019-2020 Ford Mustang Bullitt 5.0L
• 2021-2023 Ford Mustang Mach 1 5.0L
• 2024-2026 Ford Mustang Dark Horse 5.0L

Kooks Part Number: 1151H432

Built to Order: Kooks currently estimates approximately 4-6 weeks before shipment.