Exhaust Reducer

What is an Exhaust Reducer?

A reducer when talking about exhausts and exhaust systems is a stainless steel or aluminized steel piece that can be welded to a pipe to make it possible to attached securely to a larger or smaller pipe. without interrupting the air flow Think about it as a funnel you use to put oil in your car, it is shaped much like this.

What is an exhaust reducer used for?
There are many reasons one may need to use a reducer when making a custom exhaust or muffler system. However usually reducers are used to get a universal muffler to fit onto a specific car or truck. This is because most mufflers are universal sizes and not designed to fit onto a specific vehicle unlike a cat back exhaust system or direct fit catalytic converter. so reducers are used to make say a 2.5" muffler inlet pipe diameter fit onto your truck's OEM (or stock sized piping) 2" piping. In this example you would want a 2.5"-2" reducer.

Choosing An Exhaust Reducer For Your Exhaust System

An exhaust reducer is a type of exhaust pipe adapter that is helpful when you need to repair a damaged exhaust system or change pipe sizes. There are many different sizes and variations of these reducers, but there are a few things you should keep in mind when choosing an exhaust reducer that will be right for you and your car.

The first thing you need to know is the sizes of the pipes you are trying to connect. Many exhaust systems will have three inch, three and a half inch, four inch, or five inch pipe sizes, though there are a few special applications that will be six inches or more. It would be well worth your while to measure your pipes carefully to keep from getting the wrong exhaust reducer.

You also need to know what configuration you are working with. This will involve the measurements of the inside and outside diameters. For instance, if you are trying to connect a four inch pipe to a five inch pipe, you will need a four inch to five inch exhaust pipe reducer.

Exhaust adapters are also many different lengths, so check your application before purchasing one. This will ensure you select a reducer that will work for you.

Removing the exhaust system is a fairly easy job if you have clear instructions to follow. You will have to be careful to prevent the pipes from breaking as any crack or break could result in carbon monoxide leakage. If you are not interested in repairing your exhaust system on your own, most service repair shops will do it for a nominal fee.

Almost every exhaust system will easily have the variety of reducer that you will need to do what you need. However, if you have a special model vehicle or motor bike, you also have a customized exhaust system. If this is the case, you will have to drop off your pipes at a shop and have someone match the diameters and configuration for you.

Dont forget if you are in the military we offer a Military Discount on all our exhaust systems and exhaust reducers, mufflers, and catalytic converters.

Reducers with Inlets less than 2 inches

Product Part #	Inlet Size (in)	Outlet Size (in)	Overall Length (in)	Material
Walker 41922	Inlet Size (in)1.625 in.	Outlet Size (in)1.500 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41927	Inlet Size (in)1.750 in.	Outlet Size (in)1.500 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41929	Inlet Size (in)1.750 in.	Outlet Size (in)1.500 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41925	Inlet Size (in)1.750 in.	Outlet Size (in)1.625 in.	Overall Length (in)2.625 in.	Aluminized Steel
Walker 41930	Inlet Size (in)1.750 in.	Outlet Size (in)1.625 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41932	Inlet Size (in)1.875 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41934	Inlet Size (in)1.875 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41935	Inlet Size (in)1.875 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel

Reducers with Inlets less than 2-3 inches

Walker 41939	Inlet Size (in)2.000 in.	Outlet Size (in)1.750 in.	Overall Length (in)2.625 in.	Aluminized Steel
Walker 41941	Inlet Size (in)2.000 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41946	Inlet Size (in)2.000 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41937	Inlet Size (in)2.000 in.	Outlet Size (in)1.813 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41908	Inlet Size (in)2.000 in.	Outlet Size (in)1.875 in.	Overall Length (in)5.250 in.	Aluminized Steel
Walker 41942	Inlet Size (in)2.000 in.	Outlet Size (in)1.875 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41943	Inlet Size (in)2.000 in.	Outlet Size (in)1.875 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41949	Inlet Size (in)2.125 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41950	Inlet Size (in)2.125 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41955	Inlet Size (in)2.125 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41400	Inlet Size (in)2.250 in.	Outlet Size (in)1.750 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41952	Inlet Size (in)2.250 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41953	Inlet Size (in)2.250 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41958	Inlet Size (in)2.500 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41959	Inlet Size (in)2.500 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41960	Inlet Size (in)2.500 in.	Outlet Size (in)2.000 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41961	Inlet Size (in)2.500 in.	Outlet Size (in)2.250 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41962	Inlet Size (in)2.500 in.	Outlet Size (in)2.250 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41963	Inlet Size (in)2.500 in.	Outlet Size (in)2.250 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41968	Inlet Size (in)2.750 in.	Outlet Size (in)2.500 in.	Overall Length (in)4.500 in.	Aluminized Steel
Walker 41972	Inlet Size (in)3.000 in.	Outlet Size (in)2.500 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41973	Inlet Size (in)3.000 in.	Outlet Size (in)2.500 in.	Overall Length (in)6.000 in.	Aluminized Steel

Reducers with Inlets less than 3 to 3.5 inches

Walker 41984	Inlet Size (in)3.000 in.	Outlet Size (in)3.500 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41980	Inlet Size (in)3.500 in.	Outlet Size (in)3.000 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41981	Inlet Size (in)3.500 in.	Outlet Size (in)3.000 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41890	Inlet Size (in)4.000 in.	Outlet Size (in)3.000 in.	Overall Length (in)8.000 in.	Aluminized Steel
Walker 41988	Inlet Size (in)4.000 in.	Outlet Size (in)3.000 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41989	Inlet Size (in)4.000 in.	Outlet Size (in)3.000 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41894	Inlet Size (in)4.000 in.	Outlet Size (in)3.500 in.	Overall Length (in)6.000 in.	Aluminized Steel
Walker 41991	Inlet Size (in)4.000 in.	Outlet Size (in)3.500 in.	Overall Length (in)6.000 in.	Aluminized Steel

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