Borla XR-1 21” Multi-Core Muffler with 3-1/2” Center Inlet/Center Outlet
Highlights
- For High HP Applications
- Multi-Core, Internal Tube
- T-304 Stainless Steel
- Eliminates Droning
Borla XR-1 21” Multi-Core Muffler with a 3-1/2” Center Inlet and Center Outlet.
For the driver in need of a muffler for a racing venue, Borla has got your back with their 21” XR-1 muffler (40722). With the multi-core, internal flowing tube inside this muffler, it’s ready to act as a performance-forward match. This makes it great for high horsepower applications no matter their make or model. T-304 stainless steel tubing that’s completely welded guarantees it’s stout and rust-resistant. The wool uses the same steel grade in its construction too, eliminating would-be droning.
Features and Benefits:
- Universal, round muffler
- Designed for venues requiring a muffler
- Excellent in high horsepower applications
- 3-1/2” 100% welded, T-304 stainless steel tubing
- Multi-core, internal flowing tube improves performance
- Rust-resistant construction
- T-304 stainless steel wool controls sound
- Won’t cause droning
- Completely reversible
Specifications:
- Overall length: 21”
- Case dimensions: 16” X 6-1/4”
- Center inlet & center outlet: 3-1/2”
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Mufflers, Ford Focus ST Parts, Ford F-150 Raptor Parts
Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following C/K years:
- 1988,
- 1989,
- 1990,
- 1991,
- 1992,
- 1993,
- 1994,
- 1995,
- 1996,
- 1997,
- 1998,
This product will fit the following C10 years:
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
This product will fit the following F-100 years:
- 1948,
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,
- 1954,
- 1955,
- 1956,
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following F-150 years:
This product will fit the following Focus years:
This product will fit the following Mustang years:
- 1964.5,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
- 1988,
- 1989,
- 1990,
- 1991,
- 1992,
- 1993,
- 1994,
- 1995,
- 1996,
- 1997,
- 1998,
- 1999,
- 2000,
- 2001,
- 2002,
- 2003,
- 2004,
- 2005,
- 2006,
- 2007,
- 2008,
- 2009,
- 2010,
- 2011,
- 2012,
- 2013,
- 2014,
- 2015,
- 2016,
- 2017,
- 2018,
- 2019,
- 2020,
- 2021,
- 2022,
- 2023,
- 2024,
- 2025,
- 2026,
