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Overstock Deal 2015-2017 Mustang Gt 5.0l V8 Roush Axle Back Exaust System & Cold Air Intake Kit Full Package [zc5S3AJ6]

$49.99 $159.99 -69%

Ultimate Performance Upgrade for 2015-2017 Mustang GTExperience the thrill of enhanced performance with our 2015-2017 Mustang GT 5.0L V8 Roush Axle Back Exhaust System & Cold Air Intake Kit. This comprehensive kit is designed to deliver both power an

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Overstock Deal 2015-2017 Mustang Gt 5.0l V8 Roush Axle Back Exaust System & Cold Air Intake Kit Full Package [zc5S3AJ6]

Ultimate Performance Upgrade for 2015-2017 Mustang GT

Experience the thrill of enhanced performance with our 2015-2017 Mustang GT 5.0L V8 Roush Axle Back Exhaust System & Cold Air Intake Kit. This comprehensive kit is designed to deliver both power and aesthetics, transforming your Mustang into a true powerhouse on the road. Engineered by Roush, a trusted name in automotive performance, this kit offers a seamless blend of functionality and style.

Key Features and Specifications

This kit includes the Roush 421826 Cold Air Intake and the 421834 Axle Back Exhaust System, both crafted to perfection. The Cold Air Intake features a reusable, oil-free air filter with superior filtration properties, ensuring maximum airflow and performance. It also comes with a 105mm MAF bore for custom tuning, while the 85mm MAF insert maintains factory calibration. The Axle Back Exhaust System, on the other hand, is made of corrosion-resistant 304 stainless steel, with full mandrel bending for optimal exhaust flow and a distinctive, aggressive sound.

Transform Your Mustang's Performance and Sound

With this kit, you can expect a significant increase in power and throttle response. The Cold Air Intake delivers a boost of 10.4 HP and 8.54 ft-lbs of torque, thanks to its 38% reduction in intake restriction compared to the stock induction system. The Axle Back Exhaust System further enhances the performance with its single tip high-flow mufflers and 4" flash-chromed dual wall tips. This kit is a straight bolt-on, requiring no welding or tune, making it a hassle-free upgrade. Upgrade your Mustang's performance and sound with the Roush 5.0L V8 kit today.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

I'm very happy with my product and its great order.

- Siwan X..

January 27, 2026

Absolutely no complaints!

This is a really good and a very, very, very, very useful tool.

- Anwen O..

January 27, 2026

Absolutely no complaints!

This is a great item. And many, many thanks.

- Rhisiart P..

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