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Kooks Headers 1141H420 1-7/8" Long Tube Headers with Catted X-Pipe Kit for 2011-2014 Mustang GT 5.0L

(2011-2014 Ford Mustang)

Manufacturer

Part Number

1141H420
Sale Price

$2,754.83

Estimated ship date Sunday, November 22

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Product Details

The Kooks Headers 1141H420 is a complete long tube header and catted connection kit engineered specifically for 2011-2014 Ford Mustang GT 5.0L 4V applications. This system features premium 1-7/8" primary tube diameter headers paired with a high-flow catalyzed X-pipe connection, delivering significant power gains and an aggressive exhaust note while maintaining emissions compliance.

Key Features:

  • 1-7/8" mandrel-bent stainless steel primary tubes for maximum exhaust flow
  • High-quality stainless steel construction for superior durability and corrosion resistance
  • Catted X-pipe connection design optimizes exhaust scavenging and maintains legal emissions status
  • 3" collector design for improved exhaust velocity and horsepower gains
  • Hand-crafted in the USA with precision TIG welding for leak-free performance
  • Direct bolt-on fitment for 2011-2014 Mustang GT 5.0L 4V engines
  • Includes all necessary gaskets and hardware for installation

Kooks Headers has been the industry leader in high-performance exhaust systems for over 50 years, with proven results in NHRA, IHRA, NMCA, NMRA, and other professional racing series. This complete header and X-pipe system provides substantial power gains throughout the RPM range while delivering the aggressive sound Mustang GT owners demand. The stainless steel construction ensures long-lasting performance and maintains a clean appearance under the vehicle.

Products specifications

Fits

2011-2014 Ford Mustang

Engine Make/Size

Ford 5.0L Coyote

Coated Finish

Stainless Steel

Mounting Hardware Included

Yes

Outlet Diameter

3.000 in.

Oxygen Sensor Port

Yes

Finish

Stainless Steel

Outlet Outside Diameter

2.750 in.

Port Shape

Round

Collector Tube Size

3.000 in.

Collector Diameter

3.000 in.

Material

304 Stainless Steel

Tube Direction

Down Swept

Gasket Or Seal Included

Yes

Prop 65

Yes

Application

Automotive

Color

Stainless Steel

Tube Diameter

1.875 in.

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