Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler-4.5in Diameter x 12in Length 2020-nissan-gt-r-esi1309757 which is why we chose

which is why we chose to use a proprietary tool steel alloy for the piston and pin

More linear boost and throttle response vs stock

2022-2026 Subaru BRZ Limited 2017-2019

Internal to the muffler

race-inspired design

Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler-4.5in Diameter x 12in Length 2020-nissan-gt-r-esi1309757 which is why we choseHigh 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