Borla 24” Transverse Flow Muffler with 3” Offset Inlet/ 2-1/2” Dual Offset Outlet
Highlights
- Transverse, Free Flow Design
- T-304 Stainless Construction
- Drone-Free Tubing
- Completely Reversible
Borla 24” Transverse Flow Muffler with a 3” Offset Inlet and 2-1/2” Dual Offset Outlets.
Give your ride the potency of a muffler originally designed for GM F-Body Camaros via this 24” transverse flow muffler by Borla (400499). The free flowing and reversible design of this muffler makes it a great choice no matter what you drive. A T-304 stainless steel construction gives it lasting strength while its 100% welding ensures rust never becomes an issue. Together with the high-temperature, CFF acoustic material, it guarantees its tubing is robust and won’t drone. With notched necks that go perfectly with 1” wide, band-style clamps, it’s the perfect start to building a custom system.
Features and Benefits:
- Universal, oval-shaped muffler
- Originally designed for GM F-Body Camaros/Firebirds
- Perfect for creating custom system
- 100% welded, T-304 stainless steel tubing
- Rust-resistant construction
- Transverse, free flow design improves performance
- Uses high-temp, continuous-filament fiber (CFF) material
- Won’t cause droning
- Completely reversible
- Notched necks for easy, clamp-on installation
- Great for use w/ 1” wide, band-style clamps
Specifications:
- Overall length: 24”
- Case dimensions: 19” X 5-1/2” X 10-1/4”
- Offset inlet: 3”
- Dual offset outlets: 2-1/2”
Please Note: Clamps are not included; they must be purchased under Borla P/N: 18325 and 18330.
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 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,