Walker Exhaust 16656 Ultra EPA Direct Fit Catalytic Converter 2.5" Outlet (OD)
This part fits specific vehicles. Select your vehicle to check the fit. You can still add it to your cart.
Product Availability Request
Fill the form and our team will contact you.
Serving as a direct-fit EPA-compliant replacement solution, the Walker Exhaust 16656 features a 2.500-inch outlet diameter and measures 18.750 inches in overall length. Fits the 2014-2016 Chevrolet Impala Limited, and the 2012-2013 Chevrolet Impala with the 3.6L V6. The converter's round body is 4.000 inches in both height and width, constructed entirely from stainless steel. A single 2-bolt welded flange inlet connects to the vehicle's existing exhaust system without requiring additional fabrication or welding modifications. The unit includes OE-style heat shields and mounting brackets that match factory design and protect the undercarriage from heat. Backed by a 25000 mile emissions warranty and 50000 mile structural warranty, this converter provides protection against defects in materials and workmanship.
- Body Height: 4.000 IN
- Material: Stainless Steel
- Body Width: 4.000 IN
- Inlet Quantity: 1
- Inlet Type: 2 Bolt Welded Flange
- Outlet Outside Diameter: 2.500 IN
- Outlet Quantity: 1
- Outlet Type: Pipe Connection
- Overall Length: 18.750 IN
- Grade Type: Premium
- Application Type: Specific
- Body Length: 8.000 IN
- Shape: Round
Not legal for sale or use in CA, CO & NY.
Weight: 8 lb
Country of Origin: United States
Product resources
Shipping Information
Free shipping is available for eligible orders.
Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
Owner Reviews
Questions & Answers
Our techs answer fitment questions, usually within 2 hours. Owners chime in too.
No questions yet. Here's what shoppers usually ask. Tap one and our techs will answer.
Ask a Question
Write a review
Share your experience with this part. Reviews are checked before they go live.
Guarantee
Shipping
Returns
Support























