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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Kooks Headers
Kooks 2 3/4in x 3in OEM Cat-Back Exhaust for 2011-2014 Ford Mustang GT, Boss 302, & Shelby GT500
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits 2011-2014 Ford Mustang GT, Boss 302, and Shelby GT500 models. This Kooks OEM Cat-back exhaust system is engineered to optimize exhaust flow and maximize power for street and track applications.
Constructed from premium T304 aircraft-quality stainless steel, this system (MPN 11404200) is designed to withstand high-heat environments while resisting corrosion. Each system is handcrafted in the USA and undergoes dyno and race testing to ensure a precise fit and meaningful performance gains over the factory setup. The 2-3/4 inch to 3 inch mandrel-bent tubing provides a significant upgrade in exhaust volume and tone without sacrificing durability.
- Material: T304 Aircraft Quality Stainless Steel
- Inlet/Outlet: 2-3/4 inch x 3 inch
- Installation: Designed to fit with OEM components
- Origin: 100% Manufactured in the USA
- Manufacturer Part Number: 11404200
- Warranty: Limited Lifetime Warranty to the original purchaser
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2013 | Ford | Mustang | Boss 302 |
| 2011-2014 | Ford | Mustang | GT |
| 2011-2012 | Ford | Mustang | Shelby GT500 |
Choose your Location
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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The Atlus Price Guarantee
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Kooks 2 3/4in x 3in OEM Cat-Back Exhaust for 2011-2014 Ford Mustang GT, Boss 302, & Shelby GT500
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
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Fits 2011-2014 Ford Mustang GT, Boss 302, and Shelby GT500 models. This Kooks OEM Cat-back exhaust system is engineered to optimize exhaust flow and maximize power for street and track applications.
Constructed from premium T304 aircraft-quality stainless steel, this system (MPN 11404200) is designed to withstand high-heat environments while resisting corrosion. Each system is handcrafted in the USA and undergoes dyno and race testing to ensure a precise fit and meaningful performance gains over the factory setup. The 2-3/4 inch to 3 inch mandrel-bent tubing provides a significant upgrade in exhaust volume and tone without sacrificing durability.
- Material: T304 Aircraft Quality Stainless Steel
- Inlet/Outlet: 2-3/4 inch x 3 inch
- Installation: Designed to fit with OEM components
- Origin: 100% Manufactured in the USA
- Manufacturer Part Number: 11404200
- Warranty: Limited Lifetime Warranty to the original purchaser
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2013 | Ford | Mustang | Boss 302 |
| 2011-2014 | Ford | Mustang | GT |
| 2011-2012 | Ford | Mustang | Shelby GT500 |
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