The Kooks Headers R300-10 universal round muffler is designed for performance-focused street, race, and off-road exhaust applications. Its polished stainless steel construction provides a clean appearance and dependable durability, while the round body design supports flexible installation in custom exhaust systems. This muffler is sold individually, making it a practical choice for replacement, fabrication, or complete system projects.

Kooks Headers manufactures its products in the USA using T304 aircraft-quality stainless steel. The R300-10 is developed with performance in mind and benefits from the brand’s experience in high-performance exhaust design. Kooks products are dyno tested and race tested to support reliable fitment, consistent construction, and effective exhaust performance across demanding applications.

As part of Kooks Headers’ independently owned manufacturing tradition, this universal muffler reflects decades of involvement in performance automotive exhaust systems. It is suitable for builders and enthusiasts who need a quality muffler for a custom or modified exhaust setup. Always verify the inlet, outlet, body, and overall clearance requirements for your specific vehicle and installation before ordering.

• Manufactured in the USA using T304 aircraft-quality stainless steel.


• Polished stainless steel finish provides a clean, durable appearance.


• Universal round muffler design supports custom exhaust applications.


• Dyno tested and race tested for performance-oriented development.


• Backed by a limited lifetime warranty for the original purchaser.


• Sold individually for replacement or custom exhaust projects.


• Produced by Kooks Headers, a family-owned performance exhaust manufacturer.

Features:

• Material: T304 aircraft-quality stainless steel construction


• Finish: Polished stainless steel exterior


• Design: Universal round muffler for custom exhaust applications


• Performance: Dyno tested and race tested by Kooks Headers


• Manufacturing: Made in the USA


• Warranty: Limited lifetime warranty for the original purchaser


• Packaging: Sold individually