XForce Exhaust Muffler Varex Oval 5”x8”x15” Side-Mounted Motor Polished Stainless Steel W/ 2.5” Center Inlet & Tip Universal
Highlights
- Universal Vehicle Fitment
- Muffler W/ Side-Mounted Motor
- Adjustable Exhaust Note
- Includes 2.5" Exhaust Tip
XForce 5”x8”x15” Varex Polished Stainless Steel Universal Oval Side-Mounted Motor Exhaust Muffler with a 2.5” Center Inlet and Tip.
Modify your vehicle’s exhaust sound from within the cabin with this XForce 5”x8”x15” Varex Oval Muffler with a Side-Mounted Motor (VMK40-250). The muffler’s butterfly valve mechanism opens the exhaust flow for a deep, race-style exhaust sound and blocks it for a smooth, street-friendly one. It’s a universal fit for almost all vehicles, ensuring a straightforward installation.
Features and Benefits:
- Universal vehicle fitment
- Side-mounted butterfly valve motor
- Change the exhaust note from within the cabin
- Swaps between chambered & straight-through design
- Includes 2-1/2” exhaust tip
- Engineered from 304 stainless steel
- Sleek polished finish
Along with the Varex Oval Muffler Assembly, this kit comes with a control module, two key fobs, and a control wiring harness. A 2-1/2” single wall exhaust tip is included with this product to make your vehicle the center of attention. This muffler is engineered from durable stainless steel and polished for a sleek look, guaranteeing both longevity and style!
Includes:
- (1) Varex Oval muffler assembly
- (1) Control module
- (2) Key fobs
- Control wiring harness
Specifications:
- Length: 15”
- Height: 5”
- Width: 8”
- Overall length: 23-1/2”
- Center 2-1/2” 2-bolt flanged inlet
- 2-1/2” Single wall tip
Tech Tip: XForce recommends allowing 2” of clearance for the Varex Actuator.
Please Note: Professional installation is highly recommended.
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Mufflers, Ford Focus ST Parts, Ford F-150 Raptor Parts
Installation Difficulty

Novice skill is required for this installation.
Installation Instructions
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,












