Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler 40575 Custom Lighting Improved shifts are noticeable even

Improved shifts are noticeable even after cold starts

Clean the mounting surfaces with a dry cloth to remove dust and debris

Compatible with most Infiniti vehicles utilizing the standard Nissan oil cap design

no drilling or permanent modification

Mounting method and sunroof clearance aren't specified in the product data—test-fit the bars on your specific vehicle before finalizing installation

Borla XR-1 Multi-Core 3in Center/Center 16in x 4.25in x 7.88in Oval Racing Muffler 40575 Custom Lighting Improved shifts are noticeable evenBOR XR 1 Mufflers Exhaust Muffler XR 1? Multi Core Racing Muffler For Full Bodied Cars 3" Center Inlet 3" Center Outlet 4. 25" x 7. 88" Oval 16" Body 21" Overall Length. Universal Part. Reversible Design. Million Mile Warranty BORLA XR 1 Raceline products are the choice of todays hottest drag and oval track racers. Featuring a patented uninerrupted flow design and multicore technology. BORLAs XR 1 mufflers actually outflow a straight piece of pipe in