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Alternate muffler with notched necks is 400477
4" Center Inlet/ 4" Center Outlet 5
Give your GR Corolla the power and sound it deserves
Polyphonic harmonizer technology
but it does NOT include Dual Mode or AFM valves
Borla XR-1 Racing Sportsman 2 1/2 inch Outlet / 2 1/2 inch Inlet 12in Case Oval Muffler 2010-volkswagen-gti-base-esi8341773 Alternate muffler with notched necksHigh 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
