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: Obtain Vehicle History
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WALKER® EXHAUST SYSTEMS: Obtain Vehicle History
Customer feedback is an invaluable tool. Driveability, performance and service history can help guide you through the diagnostic process.
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  • Has the catalytic converter ever been replaced?
  • What service has been performed in the last six to twelve months?
  • Does the vehicle require coolant or oil to be added regularly?
  • Has the fuel economy decreased recently?
  • Is the engine hard to start, either hot or cold?
  • Does the engine run smooth?
  • Have you noticed any engine misfires?
  • Has the vehicle run out of fuel?
  • Did the wrong fuel get added?
  • Do you use fuel additives?
  • What is the condition of the coolant?
  • Does the heater work properly?
  • Have aftermarket parts been added?
    • Performance PCM programmer (Chip)
    • Performance exhaust
    • Remote starter
  • How is the vehicle used, and driven?
    • Towing with transmission in low gear
    • Parking brake engaged, putting extra load on engine
    • Locked in 4WD low for extended periods of time
WALKER® EXHAUST SYSTEMS: Obtain Vehicle History