Kooks 3" Cat-Back. 2011-2014 Mustang GT/2011-2012 GT500 (Connects to OEM)
Kooks / Exhaust Systems

Kooks Mustang GT / GT500 3-inch Cat-Back (2011-2014) | 11404200

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£1,641.65 VAT included. Shipping calculated for your destination.

Available to Order

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Delivery, customs and taxes Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

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Technical specifications
Specification Details
SKU 11404200
Applications 2011-2014 Mustang GT 5.0; 2011-2012 GT500 5.4
Material 304 stainless steel; mandrel-bent tubing
Inlet / system diameter 2-3/4" / 3"
Mufflers / tips Polished stainless oval mufflers; 4" polished tips
Front routes OEM exhaust or Kooks crossover with 2-3/4" outlets
Clamps OEM clamps reused, not included

Enjoy the V8 sound and polished finish on your Mustang

Upgrade the rear exhaust on your Mustang with Kooks 3" tubing, polished oval mufflers and 4" stainless tips. The 2-3/4" OEM front connection lets you use the factory exhaust or matching Kooks front components with the same outlet size.

SKU: 11404200

A rear upgrade with two front routes

The system fits the 2011-2014 GT 5.0 and 2011-2012 GT500 5.4 applications below. It connects to the OEM exhaust, or to a Kooks X-pipe / H-pipe with 2-3/4" outlets.

Choose for your Mustang

For your 2011-2014 GT 5.0 or 2011-2012 GT500 5.4, this cat-back joins the OEM exhaust point using the original clamps. Match the front exhaust to the 2-3/4-inch connection when choosing the complete system.

Vehicle fitment

Years Vehicle / trim Engine Applicable SKU Fitting conditions
2011-2014 Ford Mustang GT 5.0L V8 11404200
2011-2012 Ford Mustang Shelby GT500 5.4L V8 11404200
2012-2013 Ford Mustang Boss 302 5.0L V8 11404200

Ordering and delivery

Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.

Technical specifications

Specification Details
SKU 11404200
Applications 2011-2014 Mustang GT 5.0; 2011-2012 GT500 5.4
Material 304 stainless steel; mandrel-bent tubing
Inlet / system diameter 2-3/4" / 3"
Mufflers / tips Polished stainless oval mufflers; 4" polished tips
Front routes OEM exhaust or Kooks crossover with 2-3/4" outlets
Clamps OEM clamps reused, not included

Frequently asked questions

Do I need headers for this cat-back?

It connects to the OEM exhaust, so you can start with the rear system.

Will it fit a 2013-2014 GT500?

This SKU specifies the 2011-2012 5.4-litre GT500. The later 5.8-litre car has a separate rear arrangement.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Fitment first

Check fit before you order

Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.

Check vehicle fitment
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

Contact us
See other parts for this route
Kooks Mustang GT / GT500 3-inch Cat-Back (2011-2014) | 11404200
Kooks Mustang GT / GT500 3-inch Cat-Back (2011-2014) | 11404200
Available to Order £1,641.65