MBRP M91031 MBRP high flow performance diesel mufflers are now available as individual part numbers. Get the best sounding muffler on the street today. Each muffler boasts a fully welded construction and is designed to take all the abuse you can throw at it. They are available with 4" and 5" inlets.
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- 4" inlet/outlet
- 24" body
- Long lasting core
- High density packing ensures long life
- Every muffler features that classic MBRP sound
