Amazon.com: Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to 3.0 Inch 2 1/2” ID to 3.0” OD kit : Everything Else
1 1/4” 1.25" OD to 1 5/8” 1.625" OD Exhaust Component to Pipe Adapter – Bear River Converters
Amazon.com: EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Reducer Adapter Stainless Steel : Automotive
Exhaust Pipe Adapter 3.5 Inch OD To 5 Inch ID Adapter Aluminized Steel MBRP - Merchant Automotive
R4O-25IA 4" OD to 2.5" ID Exhaust Reducer Aluminized
JEGS 31978: Stainless Steel 3 in. OD to 4 in. OD Slip-On Exhaust Pipe Adapter - JEGS
Universal 2 1/2" Dual Outlet Tip x 3" Inlet Exhaust Steel Y Pipe Adapter Reducer | eBay
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
Reducer/Expander
3" OD To 3.75" OD Stainless Steel Weldable Turbo Exhaust Pipe Connecto
Exhaust - Adapter-Reducer - 2.75 inch to 2.35 inch for JHM B7-RS4 2.75 inch Catback to Stock Downpipes
Amazon.com: Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to 3.0 Inch 2 1/2” ID to 3.0” OD kit : Everything Else
Amazon.com: Peastorm 2.5 to 3 Inch Exhaust Adapter, ID 3 to 2.5 Exhaust Reducer Connector Pipe with Clamp : Automotive