Description
The Borla Part #401663 Specialty Muffler is engineered for truck and SUV applications that demand a long body muffler for optimal performance and sound control. Crafted from high-quality T-304 austenitic stainless steel, this muffler guarantees durability and resistance to rust, ensuring long-lasting performance. Its free-flow design promotes improved exhaust flow, enhancing overall vehicle efficiency and power. The muffler features a natural mill finish that can be brushed or polished to match your vehicle’s aesthetic preferences, providing a clean and professional appearance.
Designed with versatility in mind, this muffler has a reversible configuration, allowing for flexible installation options to suit various vehicle setups. The un-notched necks are intended for weld-in installation, offering a secure and durable connection. The 3-inch inlet and outlet openings facilitate straightforward integration into your exhaust system, making it suitable for a broad range of applications, including trucks and SUVs. The overall length of approximately 24 inches, with an overall length of 29 inches, makes it a perfect fit for vehicles requiring a long body muffler to optimize sound and performance.
This specialty muffler is a universal part, with an emphasis on heavy-duty use and sound management. It features a free-flow design that helps improve exhaust efficiency and sound quality, complemented by high-temperature continuous-filament fiber (CFF) acoustic material for effective sound control. The muffler is supplied with 1-inch wide band clamps (not included) for installation, and its reversible design offers installation flexibility for different exhaust configurations. Backed by Borla’s famous Million-Mile warranty, it exemplifies quality craftsmanship and reliability, making it a top choice for those seeking a durable, high-performing exhaust component from a trusted brand.
Features:
- Constructed from high-quality T-304 austenitic stainless steel for corrosion resistance and durability
- Free flow design promotes improved exhaust performance and efficiency
- Reversible design allows for flexible installation options
- Un-notched necks are designed for weld-in installation
- Natural mill finish can be brushed or polished to match vehicle aesthetics
- Perfect for truck and SUV applications requiring a long body muffler
- Includes 3-inch inlet and outlet openings for easy integration
- High-temperature continuous-filament fiber (CFF) acoustic material for sound control
- Backed by Borla’s Million-Mile warranty for long-term reliability



















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