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The Borla XR-1 multicore muffler features a compact body suited to classic and late-model cars with ground clearance limits. Its patented Multicore design and high-temperature continuous-filament fiber acoustic material attenuate sound while maintaining flow. Constructed with 100% welded T-304 stainless steel for durability and finish, these mufflers are built in the USA and offer a balance of sound control and strength.
Borla XR-1 Multicore 2.5in Inlet 4in Outlet RDX 14in
