DynoMax(R) Ultra Flo™ Welded performance stainless steel mufflers feature 100 Percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 Horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The "Pure Unadulterated Power" of DynoMax(R) Ultra Flo™ Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90 Day Performance and Sound Guarantee™. Shape: Round Inlet Position: Center Single Inlet Diameter (IN): 3 Inch Outlet Position: Center Single Outlet Diameter (IN): 3 Inch Case Diameter (IN): 6 Inch Case Length (IN): 12 Inch Overall Length (IN): 16 Inch Color/ Finish: Polished Material: Stainless Steel Internal Construction: Continuous Perforated Tube Includes Tip: No Tip Length (IN): No Tip Tip Diameter (IN): No Tip Tip Finish: No Tip Tip Material: No Tip Estimated Install Time (Hours): 1 FEATURES: Stainless Steel Construction For Lifelong Protection Polished Finish For A Show Quality Shine Dyno Proven To Flow Up To 2000 SCFM And Support Up To 1900 Horsepower Straight-Through Design Ensures Unrestricted Exhaust Flow And Reduces Back Pressure Continuous Roving Fiberglass Technology Absorbs Unwanted Interior Resonance While Maintaining A Deep Performance Tone Limited Lifetime Warranty