Universal ProXS Muffler - Oval Dual/Dual Inlet/Outlet 2.5in Tubing 19inx4inx9.5in Case (BOR400493)Description The Borla ProXS Universal Muffler is a high performance exhaust component engineered for custom exhaust builders and enthusiasts seeking to optimize both power and sound. This 2. 5 inch dual inlet dual outlet muffler is built using high quality T 304 austenitic stainless steel, ensuring it will never rust even under the most extreme conditions. A standout feature of this specific model is the integrated internal X Pipe, which balances