Fitment: 
For Acura TSX L4 2.4L 2009-2014
For Honda Accord L4 2.4L  2008-2012

OEM number:

40870,16590,641281,17327

Specification:

Oxygen Sensor Port: Yes

Oxygen Sensor Location: Pre and Post 

Width: 4.125"

Body Height: 4.125"

Body Length: 4.75"

Overall Length: 16.58"

Body Shape: Round

Converter Position: Front,Rear

Inlet Connection Type: 4 Bolt Welded Flange

Outlet Connection Type: 3 Bolt Welded Flange

Including: 

Exhaust Manifold Catalytic Converter 

Gasket

Feature:

Note:
1.If your vehicle is registered in California,New York,ME, and CO, PLS DO NOT BUY IT. This part complies with Federal Emissions standards(EPA standards), can’t comply with California emission standards (CARB standards)!
2.If you can’t judge, pls call your local vehicle dealer and providing them with your VIN# and asking them whether your vehicle is Federal Emissions or CARB Emissions.
3.All information for a vehicle can be found on a tag under the hood. If the tag is missing, you can give us your VIN to check.
4.No Instruction Included, they may require specialized fabrication or welding for installation, so professional installation recommended. And pls use a high temperature sealant(not included) for metal flanges to  prevent exhaust leaks.
5.Even if your car is shown in the compatibility, pls also double check the fitment details and photos before ordering.
6.Maybe it can't fit the original heat shield perfectly, but it also can work without heat shield.
7.Pick up service is not available.
8.Do not use leaded gasoline.