Borla XR-1 Racing Sportsman 3 inch Outlet / 3 inch Inlet Oval Muffler 2013-infiniti-ex37-esi5648856 We went through several designs

We went through several designs to get to where we are now

Finishing off this exhaust system are dual 3-1/2 IN diameter black 304 stainless steel clamp-on exhaust tips

This allows the driver to dial in the rear roll resistance to achieve the desired handling bias

5" diameter Borla(r) Axle-Back system is designed for use on EcoBoost cars WITHOUT the Active Exhaust feature

25) Nissan / Mazda / Toyota - Chrome Gold

Borla XR-1 Racing Sportsman 3 inch Outlet / 3 inch Inlet Oval Muffler 2013-infiniti-ex37-esi5648856 We went through several designsHigh quality austenitic stainless steel. Patented, race winning XR 1 Raceline technology. 3 options: Offset Made with the same patented, flow through design as the XR 1 Sportsman oval. The inlet outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval BORLAs #1 selling racing muffler. Satisfies the needs of most racing applications because it is the lightest, most compact, and