15-20 Ford Mustang Shelby GT350 5.2L Kooks 1154F320 1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust

The Kooks 1154F320 1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust for 2015-2020 Ford Mustang Shelby GT350 enhances performance with Kooks GREEN Cats, offering improved exhaust flow, increased horsepower, and a more aggressive sound. Made from 304 stainless steel, it ensures durability and emissions compliance.

Top Features

  • 1-3/4" x 1-7/8" stainless steel headers
  • 3" catted exhaust with Kooks GREEN Cats for emissions compliance
  • 304 stainless steel for corrosion resistance and durability
  • Aggressive exhaust tone for a deep, throaty sound
  • EPA-verified for legal street use

Vehicle Fitment

  • Vehicle Year Range: 2015 - 2020
  • Make: Ford
  • Model: Mustang Shelby GT350
  • Engine: 5.2L V8
Vendor: Kooks Headers
SKU: KSH1154F320
Availability: (Special Order Item)
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UPC: 842422167738
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15-20 Ford Mustang Shelby GT350 Kooks 1154F320 1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust

The Kooks 1154F320 1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust system for the 2015-2020 Ford Mustang Shelby GT350 offers a high-performance solution to maximize the power and sound of your 5.2L V8 engine. Featuring EPA-verified Kooks GREEN Cats, this exhaust system is designed to optimize exhaust flow while maintaining emissions compliance. The system includes precision-engineered headers with a mix of 1-3/4" and 1-7/8" tube sizes for improved scavenging, resulting in increased horsepower, torque, and throttle response.

The 304 stainless steel construction ensures long-lasting durability, corrosion resistance, and a polished, high-quality finish. With a dual exhaust configuration and aggressive exhaust note, this Kooks system not only enhances engine performance but also gives your Shelby GT350 a deep, throaty sound that turns heads. The Kooks GREEN Cats are capable of supporting up to 750 RWHP, ensuring they can handle the power needs of modern muscle cars.

Key Features

  • 1-3/4" x 1-7/8" stainless steel headers for maximum flow and performance
  • 3" catted exhaust with Kooks GREEN Cats for emissions compliance
  • 304 stainless steel construction for corrosion resistance and long-term durability
  • Dual exhaust configuration for aggressive sound and improved exhaust flow
  • Kooks GREEN Cats engineered for up to 750 RWHP
  • Designed for easy installation with direct fit to factory mounting points

Benefits

  • Improved horsepower and torque: The high-flow headers and catted exhaust system increase engine efficiency and power, providing noticeable performance gains.
  • EPA-verified: The system features Kooks GREEN Cats, ensuring full compliance with emissions regulations in all 50 states, including California.
  • Durable & corrosion-resistant: Made from 304 stainless steel, this exhaust is designed to withstand heat, moisture, and road conditions for long-lasting use.
  • Aggressive exhaust tone: Enjoy a deeper, throatier exhaust sound that matches the performance upgrades of your GT350.
  • Limited lifetime warranty: Backed by Kooks' warranty for peace of mind and reliable performance.

Product Specs

  • Part Number: Kooks 1154F320
  • Material: 304 stainless steel
  • Header Tube Sizes: 1-3/4" x 1-7/8"
  • Exhaust Size: 3"
  • Finish: Polished stainless steel for durability and aesthetics
  • Exhaust Type: Dual exhaust system with Kooks GREEN Cats
  • Application: Performance exhaust upgrade for 2015-2020 Ford Mustang Shelby GT350 5.2L V8

Install Difficulty Level

The Kooks 1154F320 Headers & Catted Exhaust system is designed for moderate installation difficulty. It typically takes around 4-5 hours to complete the install with basic hand tools. While it is a direct-fit system, professional installation is recommended for the best results and optimal performance.

Vehicle Fitment

  • Vehicle Year Range: 2015 - 2020
  • Make: Ford
  • Model: Mustang Shelby GT350
  • Engine: 5.2L V8

For any questions about this product or to report inaccuracies in the description, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

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Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
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MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

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MPT Decals are Non-Refundable, once they have been received by the customer.

Year Make Model Submodel
2015-2020 Ford Mustang Shelby GT350
2015-2020 Ford Mustang Shelby GT350R
2020 Ford Mustang Shelby GT500

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