Quiet your exhaust and bolt in a clean replacement with the AP Exhaust Direct-Fit Muffler 700451, an MSL Maximum baffled muffler built for the professional installer. It drops in as a direct-fit replacement for the 2006-2013 Chevrolet Impala (V6-3.6L, V6-3.9L, V8-5.3L) and the 2014-2016 Chevrolet Impala Limited (V6-3.6L), engineered to perform like the original for sound control and back-pressure.
No heat shield is attached. Standard replacement grade. Country of origin: United States. See the Buyer's Guide tab to confirm the exact application and engine for your vehicle.
What vehicles does this muffler fit?
It's a direct-fit replacement for the 2006-2013 Chevrolet Impala (V6-3.6L, V6-3.9L, V8-5.3L) and the 2014-2016 Chevrolet Impala Limited (V6-3.6L). Check the Buyer's Guide tab for your exact engine.
What is this muffler made of?
The body is constructed from 100% aluminized steel for corrosion resistance, in a standard-replacement grade.
What are the inlet and outlet sizes?
It has a single inlet with a 2.000 in inside diameter and a single spout-type outlet with a 2.250 in outside diameter.
Is this muffler tunable and does it include a heat shield?
No. This is a baffled, non-tunable muffler with an OE-comparable sound level, and no heat shield is attached.
Why do the necks need sizing?
The thick expandable necks are designed to allow for easy sizing so the installer can fit the muffler to the exhaust connections.
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.
