MBRP 4" Armor Pro High Flow Universal Muffler | T304 Stainless Steel | M1031

Build a premium, long-lasting exhaust system with the MBRP 4-Inch Armor Pro High Flow Universal Muffler. Designed for maximum exhaust flow and a deep, refined exhaust tone, this muffler is ideal for high-performance diesel and custom exhaust applications. Constructed from T304 stainless steel, it offers superior corrosion resistance and long-term durability, making it the top-tier option for harsh climates and heavy-use vehicles. With a 30-inch overall length, it is a direct replacement for other 30-inch universal mufflers.

Muffler Specifications

• Brand: MBRP

• Part Number: M1031

• Product Type: Universal High Flow Muffler

• Exhaust Series: Armor Pro

• Inlet / Outlet Diameter: 4"

• Body Diameter: 6"

• Body Length: 24"

• Overall Length: 30"

• Material: T304 Stainless Steel

• Application: Universal / Custom Exhaust Systems

• Replacement Fit: Replaces most 30" overall length mufflers

• Universal Fit: Yes (Fabrication may be required)

Vehicle Fitment

• Universal Application

  • Fits custom exhaust systems using 4-inch inlet and outlet

  • Ideal replacement for 30-inch overall length mufflers