Description
The Kooks Headers KO300-12 is a high-quality 3-inch oval muffler designed to enhance your vehicle’s exhaust performance. Crafted from T304 aerospace-grade stainless steel, this muffler offers exceptional durability and resistance to corrosion, ensuring long-lasting performance in demanding conditions. Its polished finish adds a sleek, professional appearance to your exhaust system, making it suitable for both street and race applications. The center inlet and outlet configuration, combined with a 12-inch long body and overall length of 16 inches, provides an optimal fit for a variety of vehicles seeking improved exhaust flow and sound. This muffler’s oval body measures 4-1/2 inches by 7-1/2 inches, contributing to its effective sound attenuation and performance characteristics. Sold individually, it is easy to install and compatible with existing exhaust systems, offering a straightforward upgrade to maximize horsepower and torque. Kooks Headers, with over 50 years of industry leadership, designs all their products in the USA, ensuring craftsmanship and quality control. Each unit is dyno and race-tested to meet rigorous standards for performance and durability. As an independently owned family business, Kooks takes pride in manufacturing products that deliver maximum power, fit perfectly, and last for years. With a limited lifetime warranty, you can trust this muffler to perform reliably under high-performance conditions. Whether you’re customizing a street car, building a race vehicle, or upgrading your off-road setup, the KO300-12 muffler provides a proven solution for increasing exhaust efficiency and producing a desirable sound profile. Invest in a product that exemplifies American craftsmanship, proven performance, and superior construction for your automotive needs.
Features:
- Made from T304 aerospace-grade stainless steel for durability and corrosion resistance
- Polished stainless steel finish adds a sleek look
- Center inlet and outlet configuration for versatile installation
- 12-inch long body with overall length of 16 inches for optimal fit
- Oval body dimensions of 4-1/2 inches by 7-1/2 inches for effective sound attenuation
- Designed for high-performance street, race, and off-road applications
- Sold individually for flexible system upgrades
- Dyno and race-tested to ensure maximum power output
- Manufactured in the USA with quality craftsmanship
- Limited lifetime warranty for peace of mind














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