MBRP® M1031 - Pro Series™ T304 Stainless Steel Round Muffler (4" Center Inlet / 4" Center Outlet, 6" Diameter x 30" Overall Length)

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MBRP® - Pro Series™ T304 Stainless Steel Round MufflerMBRP® - Pro Series™ T304 Stainless Steel Round MufflerMBRP Authorized DealerMBRP Special OffersMBRP Special Offers
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Universal Fit
Fitment Notes:
  • Replaces Mufflers with the Overall Length of 30''.
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MBRP Exhaust Systems

Universal Pro Series™ T304 Stainless Steel Round Muffler (M1031) by MBRP®, 4" Center Inlet / 4" Center Outlet, 6" Diameter x 30" Overall Length. Your car is for show and go; add a little show with this polished T304 stainless steel muffler from MBRP. The mirror finish won’t ever peel, flake or corrode. Better yet, it’s free-flowing design will give you more power and save fuel.

Notes: You need to check your exhaust pipe diameter as well as muffler dimensions for proper clearance under the vehicle and easy installation.



  • Dual-core design
  • Polished T304 stainless
  • Milder tone
  • Improves power and torque
  • Fully welded construction
  • Lifetime warranty

Whether your vehicle is a diesel pickup or a musclecar, if it uses a 4” exhaust system, single or double, this muffler will give you extra power and torque, improve your fuel economy at the same time, and deliver a throaty, rumbling exhaust note. Its dual-core design strips away the raspy harshness without adding any impediment to flow. Because it’s made of premium T304 stainless steel, its mirror-polish finish will never peel or flake or turn black. Like all stainless steel, it will acquire a bronze tint after extended periods at high temperature, but that can be polished back off in a few minutes.

Fifteen years ago, MBRP® started in the exhaust business by introducing the B&B Eliminator, a silencer that quickly became the best-selling snow machine muffler of all time. Exhaust system technology being as universal as it is, they soon branched off into cars, Jeeps, and diesel trucks, with amazing success. One of their secrets has been the practice of making as many universal-fit kits as possible. A couple of extra parts in the box means that a single kit might fit a number of different wheelbase pickup trucks, for instance. Reducing complexity in ordering is better for them, better for their distributors, and a great benefit for their customers, who are more likely to be able to find a kit that fits their vehicle on hand. In addition, they go to great lengths to make sure their systems fit properly every time. Careful attention to design and fabrication delivers a system that doesn’t need customization with a hammer to fit properly before the car or truck comes off the lift.

Part Number:

Vehicle Fitment

This part is universal
Year Make Model Fitment Notes:
ALL       ALL        ALL         This part is universal
  • Replaces Mufflers with the Overall Length of 30''.
MBRP® - Pro Series™ T304 Stainless Steel Round MufflerMBRP® M1031 - Pro Series™ T304 Stainless Steel...    $224.99
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