Vehicle Fitment

  • 1979–2004 Ford Mustang (V8, including LX, GT, Bullitt, Mach 1, 1994–1998 SVT Cobra)

Features

  • Adjustable sound and power with the turn of a wrench
  • Low restriction chambered design for maximum exhaust flow
  • 8–10 decibel range difference from open to closed
  • 2.5" diameter offset inlet and outlet
  • Durable stainless steel construction
  • Universal fitment; choose the correct diameter and offset for your application
  • 5/8"-11 size adjustment nut
  • Designed and built in the USA

Specifications

  • Case Length: 12.5"
  • Case Width: 9.75"
  • Case Height: 4.25"
  • Overall Length: 17.75"
  • Material: 439 stainless steel
  • Inlet/Outlet Diameter: 2.5"
  • Configuration: Double offset
  • Adjustment Nut Size: 5/8"-11

Included Components

  • 1x BBK 31015 Varitune Adjustable Muffler

Product Description

The BBK 31015 Varitune Adjustable Muffler offers enthusiasts the ability to fine-tune their vehicle's exhaust note and performance. Featuring a low-restriction chambered design, this muffler allows for an 8–10 decibel range difference from open to closed, providing flexibility from a moderate tone to a more aggressive sound. The 2.5" diameter offset inlet and outlet ensure compatibility with various applications, particularly the 1979–2004 Ford Mustang V8 models, including LX, GT, Bullitt, Mach 1, and 1994–1998 SVT Cobra.

Constructed from durable 439 stainless steel, the BBK 31015 is designed for longevity and performance. Installation is straightforward, with a 5/8"-11 size adjustment nut enabling easy tuning of sound and power. Whether you're looking to enhance your vehicle's acoustics or improve exhaust flow, the BBK 31015 Varitune Adjustable Muffler provides a versatile solution for your performance needs.



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