Gibson MWA Muffler delivers Maximum Sound and the Best Muffler Flow PERIOD! This Straight-thru design promotes exhaust gases to flow at the highest rates flowing only 3cfm less than a 3-in. straight pipe, improving power potential while keeping interior drone to a minimum. The MWA muffler has NO internal packing or weak baffles, allowing it to maintain a lightweight design with a unique and powerful sound. The MWA muffler is 100% Made in the USA and is constructed of high quality Stainless Steel to outlast the competition. When it?n++?n++?n++n++s time to make your Hot Rod, Car, Off-Road toy, Truck or SUV sound and perform as good as it looks, there is no other choice than Gibson?n++?n++?n++n++s MWA Muffler With Attitude. Straight-Thru Design; No packing, No Baffles or Weak Deflectors;Minimal Interior Drone;Aggressive Sound;Low profile, Non-Directional;Hi Quality Stainless Additional Attributes: GTIN: 00677418028201 Material: Stainless Muffler Case Length: 14 Muffler Configuration: Offset / Offset Muffler Dimension: 4 x 9 x 14 in. Oval Body; 2.25 in. Offset; 2.25 in. Offset. Muffler Inlet Diameter: 2.25 Muffler Outlet Diameter: 2.25 Muffler Overall Length: 20 Outlet: Single Packaging: Quantity of Each: 1 Package UOM: EA Dimension: 20 x 10 x 5 inches