MBRP UA2005 3 ½" OD. to 5"ID. Adapter AL
Product Description
UA2005
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 100% aluminized steel.