Borla ProXS 19” Muffler with 14” X 4” X 9-1/2” Case & 2” Offset Inlet/Offset Outlet
Highlights
- Universal, Oval Muffler
- T-304 Stainless Steel
- Free Flow Design
- Completely Reversible
Borla ProXS 19” Muffler with 14” X 4” X 9-1/2” Case and 2” Offset Inlet and Offset Outlet.
Indulge in the performance of a free flow muffler no matter what kind of vehicle you drive with Borla’s ProXS 19” Muffler (400488)! This universal muffler boasts a T-304 stainless steel construction that’s 100% welded. Not only does this make each centimeter of its 2” tubing durable, but also rust resistant. On top of that, it can be easily installed using 1” wide, band-style clamps from Borla because of the notched necks. Once in place, the high-temperature, CFF acoustic material will have you reveling in the drone-free sound!
Features and Benefits:
- Universal, oval-shaped muffler
- 2” 100% welded, T-304 stainless steel tubing
- Rust-resistant construction
- 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: 19”
- Case dimensions: 14” X 4” X 9-1/2”
- Offset inlet & offset outlet: 2”
Please Note: The 1” wide, band-style clamps are not included; they can be purchased separately under Borla P/N: 18302.
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,