Walker is an OE supplier to many major nameplate vehicle manufacturers.
Trust Walker, an industry leader, for the finest emission control technologies for import and domestic vehicles.
Fits Like OE Because We Make OE.
Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories.
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WALKER® EXHAUST SYSTEMS: What is the Exhaust System
An exhaust system is a complex automotive parts assembly that performs a series of critical emissions functions.
CLICK ON NUMBERS FOR COMPONENT DESCRIPTIONS

MANIFOLD

Typically made of cast iron or fabricated tubing, it sometimes incorporates the catalyst, and is connected to the engine at the exhaust ports with flange connectors. It is designed to collect exhaust gases from each cylinder, then funnel them into a common outlet.

FLEX PIPE

Allows normal engine movement to prevent damage to the exhaust system.

CATALYTIC CONVERTERS

Converts harmful engine emissions to CO2 and water.

O2(OXYGEN) SENSORS

Detect the level of O2 in the exhaust stream. This information is utilized by the PCM for fuel control, and to monitor converter efficiency.

ISOLATORS / GASKETS / CLAMPS

Required accessories for proper sealing and durability.

RESONATOR ASSEMBLIES / PIPE ACCESSORIES

Resonator assemblies combine pipe routing and tuning technologies for quality flow and acoustics.

MUFFLERS / MUFFLER ASSEMBLIES

The muffler quiets the sound of a vehicle's engine as emissions pass out of the exhaust system.