BORLA 401383 MUFFLER MULTICORE 2.5" IN/OUT 4" RDX 14" ymm_58 It features a mirror-polished black

It features a mirror-polished black chrome finish on high-quality T-304 austenitic stainless steel

and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in – you knew from the beginning that the rocker geometry was going to be inconsistent all over the place

In addition to producing a distinctive sound

These fully polished T-304 stainless steel mufflers feature integrated polished tips and utilize BORLA's patented technology to improve exhaust flow

BORLA 401383 MUFFLER MULTICORE 2.5" IN/OUT 4" RDX 14" ymm_58 It features a mirror-polished blackDescription BORLA 401383 MUFFLER MULTICORE 2. 5" IN OUT 4" RDX 14" The XR 1 Multi Core Racing Muffler features a 2. 5" center inlet and 2. 5" center outlet, with a 4" round by 14" long body and an overall length of 19". This compact 4" diameter muffler is suitable for applications with limited space and can be used on a wide range of vehicles. Sometimes referred to as a 'Hot Rod' muffler, it is designed for high horsepower applications. The muffler