MBRP UA9005 3 ½" ID. to 5"ID., 7" in length Adapter T409
Product Description
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UA9005
3 1/2" OD to 5" ID, 5 1/2" Length
Fits all pickup models
Now you can hook-up to your MBRP 4" and 5" hardware no matter what size your system. This adaptor is built from T409 stainless steel.