Borla Universal XR-1 Multi-Core Racing Muffler for Round 3-1 2 IN 3-1 2 Out 16 x 6-1 4 NO-DISCOUNT Don't just take our word

Don't just take our word for it—check out a customer's experience

the kit fits neatly behind the undertray and can be reverted back to standard with no issues

The BAKFlip F1 hard folding truck bed cover comes equipped with an FRP (Fiberglass Reinforced Polymer) top surface

5" combo kit for the Chevrolet/GMC 1500 truck combines a 2" torsion bar keys with a 1

When compared to the data when fitted with our AIRTEC Motorsport oil cooler

Borla Universal XR-1 Multi-Core Racing Muffler for Round 3-1 2 IN 3-1 2 Out 16 x 6-1 4 NO-DISCOUNT Don't just take our wordManufacturer Part # : 40722 Market Description XR 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