Borla XR-1 Low Profile Multicore 2.5IN Outlet/Inlet / 4IN x 16IN / 21IN OAL Round Muffler 1966-mercedes-benz-300sel-esi9101627 Mazdaspeed6 SF Intake

Mazdaspeed6 SF Intake

resulting in minimal pressure drop despite the significant increase in size

In stock and ready to ship

Increased airflow - Get the most out of your upgrades

Borla XR-1 Low Profile Multicore 2.5IN Outlet/Inlet / 4IN x 16IN / 21IN OAL Round Muffler 1966-mercedes-benz-300sel-esi9101627 Mazdaspeed6 SF IntakeXR 1(r) Multi Core Racing Muffler. 2. 5" Center Inlet 2. 5" Center Outlet 4" Round x 16" Long Body 21" Overall Length. Compact 4" diameter muffler body is perfect for applications with limited space and can be used on a wide range of vehicles. This muffler is sometimes referred to as a 'Hot Rod' muffler. It features BORLA(r)'S patented Multi Core 3 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1(r) mufflers flows