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2-3/4" x 3" Cat-Back Exhaust. 2011-2014 Ford Mustang GT 5.0L 4V 2011-2012 Ford Mustang GT500 5.4L 4V
  • 3" 304 Stainless Steel Mandrel Bent Tubing
  • KOOKS Polished Stainless Oval Mufflers
  • 4" Polished Stainless Tips
  • Connects at OEM Connection Pointre-using OEM Clamps(Not Included)
  • Will work with OEM exhaust or KOOKS Headers & X-Pipe/H-Pipe with 2-3/4" Outlet
Please Call 503-543-4672 for Price & Availability
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3" x 2-3/4" (OEM) Catted Stainless Steel X-Pipe. 2011-2014 Ford Mustang GT 5.0L 4V.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 11413300
Please Call 503-543-4672 for Price & Availability
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3" x 2-3/4" (OEM) Catted Stainless Steel H-Pipe. 2011-2014 Ford Mustang GT 5.0L 4V.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 11413600
Please Call 503-543-4672 for Price & Availability
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Header and Connection Kit. 2011-2014 Ford Mustang GT 5.0L 4V. Includes 1-3/4" x 3" Stainless Steel Long Tube Headers & 3" x 2-3/4" (OEM) Catted Stainless Steel X-Pipe.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 1141H230
Please Call 503-543-4672 for Price & Availability
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Header and Connection Kit. 2011-2014 Ford Mustang GT 5.0L 4V. Includes 1-7/8" x 3" Stainless Steel Long Tube Headers & 3" x 2-3/4" (OEM) Catted Stainless Steel X-Pipe.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 1141H430
Please Call 503-543-4672 for Price & Availability
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Header and Connection Kit. 2011-2014 Ford Mustang GT 5.0L 4V. Includes 1-7/8" x 3" Stainless Steel Long Tube Headers & 3" x 2-3/4" (OEM) Catted Stainless Steel H-Pipe.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 1141H460
Please Call 503-543-4672 for Price & Availability
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Header and Connection Kit. 2011-2014 Ford Mustang GT 5.0L 4V. Includes 2" x 3" Stainless Steel Long Tube Headers & 3" x 2-3/4" (OEM) Catted Stainless Steel H-Pipe.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 1141H660
Please Call 503-543-4672 for Price & Availability
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2015-2020 Mustang 5.0L 4V 1-3/4" x 3" Stainless Headers w/ GREEN Catted Connection Pipes and OEM Adapters. No additional parts required.
Please Call 503-543-4672 for Price & Availability
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2015-2024 Mustang GT/Dark Horse 5.0L 4V 1-7/8" x 3" Stainless Headers w/ Performance Catted Connection Pipes and OEM Adapters.
  • 304 Stainless Steel Construction
  • 3/8" Thick Laser Cut Flanges
  • 2" Mandrel Bent Primaries
  • 3" Collectors with Kooks' Patented Scavenging Spike
  • Dual Bolt Pattern Header Flange
  • Kooks Performance Cats 400 Cell High Flow Catalytic Converters
  • Performance Cats not for use on Forced Induction Applications
  • Includes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for Installation
  • No additional parts required.
Please Call 503-543-4672 for Price & Availability
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2015-2020 Mustang 5.0L 4V 1-7/8" x 3" Stainless Headers w/ GREEN Catted Connection Pipes and OEM Adapters. No additional parts reuired.
Please Call 503-543-4672 for Price & Availability
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2015-2024 Mustang GT/Dark Horse 5.0L 4V 1-7/8" x 3" Stainless Headers w/ GREEN Catted Connection Pipes and OEM Adapters.
  • 304 Stainless Steel Construction
  • 3/8" Thick Laser Cut Flanges
  • 1-7/8" Mandrel Bent Primaries
  • 3" Collectors with Kooks' Patented Scavenging Spike
  • Dual Bolt Pattern Header Flange
  • Kooks GREEN Cats EPA verified 400 Cell High Flow Catalytic Converters
  • Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP
  • Includes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for Installation
  • No additional parts required.
Please Call 503-543-4672 for Price & Availability
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2015-2020 Mustang 5.0L 4V 2" x 3" Stainless Headers w/ GREEN Catted Connection Pipes and OEM Adapters. No additional parts required.
Please Call 503-543-4672 for Price & Availability
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3" x 2-3/4" Catted Stainless X-Pipe. 2015-2023 Ford Mustang Shelby GT350 5.2L 4V
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 11543300
  • Factory Exhaust Must be Cut to Install.
Please Call 503-543-4672 for Price & Availability
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Header and Connection Kit. 2015-2023 Ford Mustang Shelby GT350 5.2L 4V. Includes 1-3/4" x 1-7/8" x 3" Stainless Steel Long Tube Stepped Headers & 3" x 2-3/4" Catted Stainless X-Pipe.
  • In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 1154H330
Please Call 503-543-4672 for Price & Availability
More Info