Select the year of your Ford Mustang GT:
This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
Kooks 1-5/8inch Header and Green Catted X-Pipe Kit Ford Mustang GT | GT Bullitt 4.6L V8 1999-2004
Kooks Headers and Exhaust
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
Features:- 304 Stainless Steel Construction
- 3/8" Thick Laser Cut Flanges
- Round Port
- 1-5/8" Mandrel Bent Primaries
- Stock Bolt Pattern
- Kooks GREEN Cats EPA verified 400 Cell High Flow Catalytic Converters
- Includes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for Installation
- MATERIAL: 304 Stainless Steel
- COLOR: Stainless Steel
- TUBE DIAMETER: 2.500 in.
- APPLICATION: Automotive
- SHAPE: X Pipe
- FINISH: Stainless Steel
- Ford Mustang GT 4.6L V8 1999-2004
- Ford Mustang GT Bullitt 4.6L V8 2001
1121H030: Performance and Quality
With the 1121H030 model, you can expect exceptional performance and durability. Kooks continues to innovate and provide products that meet the demands of automotive enthusiasts and racers alike.
Kooks Quality Assurance
Every product, including the 1121H030, is designed to deliver maximum power and efficiency. Trust in Kooks for your high-performance exhaust needs.