Universal Varex Muffler. XFORCE - 2.5" Inch Inlet & 2.5" Inch Outlet Round Varex Muffler Features 6.5″ Body 304 Stainless Steel 2.5″ inlet with 2 bolt flange Single pipe outlet Allow 2 inch clearance for actuating motor It's built to last. With a sturdy 6.5" body made of 304 stainless steel, it's designed to withstand regular wear and tear. The single pipe outlet and 2.5" inlet with 2 bolt flange make for efficient and reliable performance. Plus, the actuating motor only requires 2 inches of clearance, making installation a breeze.