The Borla XR-1 Sportsman Shorty Racing Muffler (40004S) is engineered for high-performance applications, delivering race-winning exhaust flow in a compact design. Made from premium T-304 austenitic stainless steel, this muffler ensures long-lasting durability and resistance to corrosion. Its patented XR-1 Raceline technology optimizes exhaust gas flow for maximum power gains while maintaining a controlled sound profile.
Key Features:
Constructed from high-quality T-304 stainless steel for superior corrosion resistance
Patented XR-1 Raceline technology for optimal exhaust flow and performance
Compact 5-inch round design with 3-1/2-inch inlet/outlet for tight-fit applications
Reversible installation for flexible positioning
Lightweight and durable 100% welded construction
Ideal for racing enthusiasts, the Borla XR-1 Sportsman Shorty Muffler combines power, efficiency, and a refined exhaust note. Whether for track use or high-performance builds, this muffler delivers unmatched reliability and performance. Made in the USA.
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