Move exhaust gases through a fresh, sealed converter with the Walker Exhaust CalCat CARB Direct-Fit Catalytic Converter 83259. It bolts in as a direct-fit replacement for the 2007-2009 Nissan Altima and features a 2.52" outlet (OD) to match the factory exhaust. A catalytic converter houses the catalyst that treats engine exhaust; if the original is clogged, damaged, or failing emissions, this replaces it.
Fitment: 2007-2009 Nissan Altima. See the Buyer's Guide tab to confirm it matches your exact vehicle and engine.
What vehicle does the 83259 fit?
It's a direct-fit catalytic converter for the 2007-2009 Nissan Altima. Check the Buyer's Guide tab to confirm it matches your exact vehicle and engine.
Is this converter CARB compliant?
Yes. It's CARB-certified and legal for sale in California, Colorado, New York and other states requiring CARB-compliant replacement converters when used on an approved application.
What is the outlet size?
The outlet measures 2.52 inches outside diameter (OD).
Does installing it require welding?
No. It's a bolt-on direct-fit replacement with factory-style routings, brackets and hangers, so installation doesn't require specialized fabrication or welding.
What is the converter made of?
It has a stainless-steel body with aluminized pipe and heat shields, plus thick OE-style flanges, hangers and brackets.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
