Description
If you’re running a dual-exhaust setup, backpressure and weight are eating into your performance gains. The TRINITY RACING TR-4165S-BK muffler delivers measurable horsepower and torque increases through optimized flow design while cutting rotational mass—a combination that translates to faster acceleration and improved throttle response. Built with fully TIG-welded 6061 aluminum and USFS-approved spark arrestor technology, this is a bolt-on upgrade engineered for serious track duty and long-term reliability.
- TIG-welded 6061 aluminum construction
- Dual muffler configuration
- USFS-approved spark arrestor
- Includes mounting brackets
- Polished stainless steel tips
- Lightweight design
- Bolt-on installation
- Made in U.S.A.
- Fits dual-exhaust platforms
- Horsepower and torque gains
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