DynoMax(R) Performance Exhaust, a leading innovator in performance exhaust technologies introduced the DynoMax VT™ muffler, a revolutionary, high flow straight-through stainless steel performance muffler that controls irritating drone while ensuring maximum performance. DynoMax Valve Technology Mufflers feature an exclusive, precisely calibrated internal valve that redirects exhaust flow, during cruising conditions, to provide Drone-Free Performance™. Hammer the gas and the valve automatically adjusts for maximum exhaust flow, delivering on-demand performance and a deep, throaty drone-free sound. Shape: Oval Inlet Position: Offset Inlet Diameter (IN): 2-1/2 Inch Outlet Position: Center Outlet Diameter (IN): 2-1/2 Inch Case Diameter (IN): 9-3/4 Inch X 4-1/2 Inch Case Length (IN): 14 Inch Overall Length (IN): 19 Inch Color/ Finish: Bare Material: Stainless Steel Wall Type: Disc 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 Features Exclusive DynoMax® Valve Technology Drone-Free Performance™ On Demand Performance And Sound Stainless Steel Construction For Lifelong Protection Straight-Through Welded Design Slotted Bushing Ends Limited Lifetime Warranty And Limited 90 Day Performance Warranty (Manufacturer)