Borla Specialty 15” S-Type Notched Muffler with 2-1/2” Center Inlet/Outlet
Highlights
- Round, S-Type Muffer
- Perfect for Limited Spaces
- Free-Flowing Design
- Clamp-On Installation
Borla Specialty 15” Notched S-Type Muffler with a 2-1/2” Center Inlet and Center Outlet.
Work around the limited space in your vehicle with the help of this compact S-type muffler from Borla (400497). A fine choice for any make or model, this 15” Specialty muffler is crafted with free and unobstructed flow to optimize performance. While the T-304 stainless steel tubing makes it resistant to rust, the 100% welding reinforces it. The result is a highly durable construction that’s free of droning and completely reversible. Notching on the necks ensure installation is straightforward provided that you use 1” wide, band-style clamps.
Features and Benefits:
- Universal, round, S-type muffler
- Compact size is perfect for limited spaces
- 2-1/2” 100% welded, T-304 stainless steel tubing
- Free flow design improves performance
- Rust-resistant construction
- 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: 15”
- Case dimensions: 10” X 5”
- Center inlet & center outlet: 2-1/2”
Please Note: The 1” wide, band-style clamps are not included; they can be purchased separately under Borla P/Ns: 18325.
California Residents: Proposition 65 Warning
Related Categories: Mustang Mufflers, Focus ST Exhaust, F-150 Exhaust, F-150 Raptor Exhaust, Ford Focus RS 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,