Borla Universal XR-1 Multi-Core Racing Muffler for Round 3-1 2 IN 3-1 2 Out 16 x 6-1 4 - 40722 fits_2002-2008`Audi`A4 8L NA Open Diff

8L NA Open Diff

The result is incredible handling and driver control that makes the most of your high performance Camaro suspension

5 Degree change

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Borla Universal XR-1 Multi-Core Racing Muffler for Round 3-1 2 IN 3-1 2 Out 16 x 6-1 4 - 40722 fits_2002-2008`Audi`A4 8L NA Open DiffXR 1(r) Multi Core Racing Muffler. 3. 5" Center Inlet 3. 5" Center Outlet 6. 25" Round x 16" Long Body 21" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles including rotary engine equipped vehicles. It features BORLA(r)'S patented Multi Core 6 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1(r) mufflers flows better than straight tubing. Recommend