Upgrade or replace your vehicle’s emissions-control system with this brand-new Walker CalCat Universal Catalytic Converter (Part #81923). Walker’s CalCat line is CARB-certified and designed to meet strict emissions standards for both OBD-II and non-OBD vehicles.
Brand: Walker
Part Number: 81923
Condition: New (never installed)
Type: Universal / Weld-In Catalytic Converter (CalCat)
Inlet / Outlet Size: 2.50" inlet, 2.50" outlet (Summit Racing)
Body Length: ~10.0" body, ~13.25" overall length (Vivid Racing)
Material: Stainless steel body with aluminized pipe and heat shields (USA Auto Parts Car)
Emission Compliance: CARB certified — legal for sale in California & other states where applicable (Go-Parts)
Fitment Type: Universal – may require cutting, welding or modifications depending on vehicle’s exhaust routing and pipe size
This catalytic converter fits a wide variety of vehicles when the vehicle’s exhaust system is compatible with a 2.50″ inlet and 2.50″ outlet.
Ideal for many trucks, vans and SUVs requiring that pipe diameter and willing to adapt or have a weld-in universal. (eBay reference fitment list)
⚠️ Note: This is a universal converter — it may require welding or adaptation.
Always verify your vehicle’s pipe diameter (2.50″), exhaust routing, hanger location, and ensure the buyer’s application matches the universal setup.
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