3.5 Inch Borla ProXS Muffler 2" Offset In 2" Center Out 19" Long Performance Muffler Compact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel... Borla ProXS Dual Chrome Muffler | 2 Inlet/Outlet | High Performance Un-Notched necks are designed for weld in installation. If clamping, use 3 wide band clamps. ProXSâ„¢ Muffler 2" Offset Inlet/ 2" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. Universal muffler The 100% welded construction not only enhances strength but also contributes to a sleek, professional look.