Kooks 1-3/4" x 1-7/8" x 3" Stainless Steel Stepped Long Tube Headers - Kooks 11542300

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  • Part#: 11542300
  • Original Price: $2,495.77
  • Our Price: $2,026.13
  • 0 In Stock
  • Shipping: Free Shipping

Kooks Long Tube Exhaust Headers

1-3/4" x 1-7/8" x 3" Stainless Steel Long Tube Stepped Headers. 2015-2020 Ford Mustang Shelby GT350 5.2L 4V

  • 304 Stainless Steel Construction
  • 3/8" Thick Laser Cut Flanges
  • Round Port
  • Stock Bolt Pattern
  • 1-3/4" x 1-7/8" Mandrel Bent Primaries
  • One-Piece Collector with 3" Ball and Socket Outlet
  • Includes 755989 Gaskets, BK101 Header Bolt Kit, BK107 Ball and Socket Bolt Kit, and 2) CAS-105979 Oxygen Sensor Harness Extensions required for Installation.
  • Does not Connect to OEM Exhaust
  • Requires Kooks X-Pipe

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.

California Residents: Prop 65 WARNING

Kooks 1-3/4" x 1-7/8" x 3" Stainless Steel Stepped Long Tube Headers 11542300 is available for the following vehicles:

Please click on next to the vehicle for specific year information.
Year range Make Model Sub Model Engine Type Liter
2015-2021 Ford Mustang Shelby GT350R V8 5.2L
2015-2021 Ford Mustang Shelby GT350 V8 5.2L
If this Kooks Long Tube Exhaust Headers is not exactly what you are looking for to accessorize your 2015-2021 Ford Mustang, please don't give up just yet. Our catalog has huge selection of parts and accessories for your Ford Mustang.


Additional Parts Required: Yes
Collector Diameter: 3"
Collector Tube Size: 3"
Color1: Stainless Steel
Engine Make/Size1: Ford 5.2L
Gasket Or Seal Included: Yes
Material: 304 Stainless Steel
Mounting Hardware Included: Yes
Outlet Diameter1: 3"
Oxygen Sensor Port: Yes
Port Shape1: Round
Tube Diameter1: 1.75" x 1.875"
Tube Direction1: Down Swept