Borla Universal XR-1 Multi-Core Racing Muffler 3.5in Center-Center 14in x 6.25in Round 2020-lincoln-aviator-reserve-esi5683246 Using BORLA Stainless Steel Polish

Using BORLA Stainless Steel Polish p# 21499 is NOT recommended with these black chrome tips

The muffler features BORLA's Polyphonic Exhaust Harmonizer technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

System can also be used on Crew Cab with Standard Bed (6' 7") 156

4L engine in the WRX

Borla Universal XR-1 Multi-Core Racing Muffler 3.5in Center-Center 14in x 6.25in Round 2020-lincoln-aviator-reserve-esi5683246 Using BORLA Stainless Steel PolishXR 1(r) Multi Core Racing Muffler. 3. 5" Center Inlet 3. 5" Center Outlet 6. 25" Round x 14" Long Body 19. 75" Overall Length. Designed for applications where a 6. 25" round body can be used and will work on a wide range of vehicles. It features BORLA(r)'S patented Multi Core 4 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications.