• Autoplicity.com
  • Best Price
    Autoplicity Fitment
    Fast Ship
No hassle
Live in-stock
Save over
60% retail
You have no items in your shopping cart.
In Stock (12)
Usually delivered within 2 days
Free Shipping
Part number: 81664
Competitor Pricing
Product Details
Walker Exhaust 81664 Catalytic Converter
Products specifications
Body Shape Oval
O2 Sensor Location No Port Location
Fitment Direct Fit
Outlet Connection Type Pipe Connection
Overall Length 20.000"
Inlet Count 1
Outlet Count 1
Outlet Diameter Designation Outside Diameter
Substrate Material Ceramic
Body Length 10.000"
Inlet Connection Type 2 Bolt Welded Flanges
Feature Point 5-year/50,000-mile catalytic performance and structural integrity warranty.
Feature Point Legal for sale in the state of California, complies with C.A.R.B. regulations.
Feature Point OE-style routing and hanger position for easy installation.
Feature Point Stainless steel body with aluminized pipe and heat shields for durability
Feature Point Stainless steel body with aluminized pipe and heat shields for durability.
Feature Point Thick OE-style flanges, hangers and brackets for enhanced strength.
Body Height 3.500"
Body Material Stainless Steel
Body Width 6.125"
Outlet Diameter 1 2.250"
Walker 81664 Calcat Catalytic Converter
Add your review
Great website
Great service, prices, and timeliness! I will continue to shop at autoplicity!
Autoplicity made finding and ordering my parts simple and easy! Not only did they have the parts in stock and ready to ship, but they were also the cheapest BY FAR saving me nearly 30%!

The information that they had on the product pages was 100% accurate unlike other car part websites.

Autoplicity has made a customer for life!
Excellent price and great customer service.   Would do business with them again.
Show All Reviews
Lexus RX300
2003 Lexus RX300 ALL
2002 Lexus RX300 ALL
2001 Lexus RX300 ALL
2000 Lexus RX300 ALL
1999 Lexus RX300 ALL
Return Policy
Returns are easy at Autoplicity
Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy