Borla XR-1 Low Profile Multicore 2.5IN Outlet/Inlet / 4IN x 16IN / 21IN OAL Round Muffler

Borla is known worldwide as a leading exhaust brand, with a long history in racing. This XR-1 Low Profile Multicore muffler is a testament to that experience, built to handle demanding exhaust needs. Its compact 4-inch diameter body is specifically designed to fit into tight spaces, making it a great choice for classic cars or modern vehicles where ground clearance is a concern. You get a solid 2.5-inch inlet and outlet, perfect for custom exhaust setups.

Inside, Borla's patented Multicore design works with high-temperature continuous-filament fiber acoustic material to reduce sound levels. This system is built to attenuate exhaust noise without sacrificing any horsepower or torque, so you won't feel a performance loss. The entire muffler is 100% welded for maximum strength and durability. It's constructed from T-304 stainless steel, which offers excellent resistance to corrosion and maintains a great appearance, even allowing for a mirror-like polish if you choose.

This muffler is made in the USA and is a universal part, meaning it can be adapted to a wide range of applications. Its reversible design offers flexibility during installation. If you're building a custom exhaust system and need a compact, well-built muffler that performs, this Borla XR-1 is a solid option.