Amazon.com: 8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch OD to 3 Inch OD 4 Inch Length Polished 304 Stainless Steel Universal 2.5"OD to 3"OD Exhaust Pipe Reducer Adapter-2PCS : Automotive
2.5" OD to 3" OD Exhaust Pipe Reducer Adapter Connector 304 Stainless Steel | eBay
PLM 3” to 2.5” Exhaust Adapter Flange
Amazon.com: Universal 2.5" ID to 3" ID Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to 3.0 Inch 2 1/2” ID to 3.0” ID kit : Everything Else
Thermal R&D 3" Fiesta ST Exhaust Adapter (connects to 3" downpipes) – whoosh motorsports
PLM 2.5” to 3.0" Exhaust Adapter Flange
R4O-25IA 4" OD to 2.5" ID Exhaust Reducer Aluminized
Amazon.com: EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Reducer Adapter Stainless Steel : Automotive
BESTfit 8 Inch Aluminized Steel Exhaust Adapter 8 ID To 5 O.D. - 4 State Trucks
1pcs 3" Id To 2.5" Id Exhaust Pipe Reducer Adapter 304 Stainless Steel Universal - Mufflers - AliExpress
3 Inch to 2.5 Inch OD Stainless Standard Exhaust Pipe Connector Adapter Reducer - Walmart.com