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.
WALKER® EXHAUST SYSTEMS: e-Catalog

WALKER® EXHAUST SYSTEMS: VIN Search
WALKER® EXHAUST SYSTEMS: License Plate Search
WALKER® EXHAUST SYSTEMS: Part Search


WALKER® EXHAUST SYSTEMS: Universal Muffler Search

WALKER® EXHAUST SYSTEMS: Universal Converter Search
WALKER® EXHAUST SYSTEMS: Dealer Locator
WALKER® EXHAUST SYSTEMS: YouTube
WALKER® EXHAUST SYSTEMS: Walker Expert Plus® Program
WALKER® EXHAUST SYSTEMS: Support
WALKER® EXHAUST SYSTEMS: PCM Re-Flash
PREVIOUS

WALKER® EXHAUST SYSTEMS: PCM Re-Flash
Re-flashing is the process of updating the PCM (Powertrain Control Module) with the latest program available from the vehicle's manufacturer.
Get Adobe Flash player
  • In some cases, manufacturers have released Technical Service Bulletins indicating that a re-flash of the PCM will help resolve emissions problems.
  • When a vehicle is new, there may be "unseen variations" that occur with the aging of the engine components.
  • PCM updates are usually very specific to the vehicle build dates and options.
WALKER® EXHAUST SYSTEMS: PCM Re-Flash