Vibrant 17640 Race Muffler 4" Inlet/Outlet 8" Overall Length

The Vibrant Performance 17640 Race Muffler is designed for maximum flow and minimal restriction in high-performance exhaust systems. This straight-through muffler features a 4-inch inlet and outlet diameter, making it ideal for turbocharged applications and high-horsepower naturally aspirated engines where exhaust flow is critical.

Key Features:

• 4-inch inlet and outlet inside diameter for maximum flow capacity
• 8-inch overall body length for compact fitment
• Straight-through perforated core design minimizes backpressure
• High-quality stainless steel construction for durability and corrosion resistance
• Race-proven sound absorption material maintains deep, aggressive tone
• TIG-welded seams ensure leak-free performance
• Ideal for racing applications and street performance builds

Vibrant Performance Race Mufflers are engineered to deliver the perfect balance between sound control and performance. The straight-through design allows exhaust gases to exit with minimal turbulence while the sound-absorbing packing material reduces unwanted resonance without sacrificing horsepower. Perfect for custom exhaust fabrication where space is limited but flow cannot be compromised.