Walker® Commercial Vehicle - One call. One trusted Source.
Walker® offers one of the most complete selections of OE-quality replacement exhaust and emissions control products.
Walker® Commercial Vehicle- The industry’s best product support.
Walker products optimize efficiency and performance from your hardest-working vehicles.
Walker® Commercial Vehicle has all the products & accessories needed to complete the job.
WALKER® COMMERCIAL VEHICLE: e-Catalog

WALKER® COMMERCIAL VEHICLE: Dealer Locator
WALKER® COMMERCIAL VEHICLE: Part Image Search


WALKER® COMMERCIAL VEHICLE: Product Interchange

WALKER® COMMERCIAL VEHICLE: Muffler Dimension Search

WALKER® COMMERCIAL VEHICLE: Elbow Dimension Search

WALKER® COMMERCIAL VEHICLE: Clamp Dimension Search
WALKER® COMMERCIAL VEHICLE: Products
WALKER® COMMERCIAL VEHICLE: Mega-Flow®

WALKER® COMMERCIAL VEHICLE: Commercial Vehicle Premium Performance Mufflers

Maximum Engine Performance
Mega-Flow® premium performance mufflers combine Walker® quality and engineering with cutting-edge technology to deliver unparalleled performance and reduce backpressure, without sacrificing acoustics.
  • Straight-through performance design
  • Specifically engineered for Class 7 and 8 vehicles
  • Reduces highway drone
  • Up to a 30% reduction in backpressure (Based on cold-flow bench test of competitive mufflers)
  • Patented Technology - Patent No. 6158546

WALKER® COMMERCIAL VEHICLE: Key Features
WALKER® COMMERCIAL VEHICLE: 1
Reduce backpressure without sacrificing acoustics
Combines a straight-through design with OCF roving to produce a performance muffler that improves exhaust flow without sacrificing acoustics.

WALKER® COMMERCIAL VEHICLE: 2
Premium construction for a long service life
Constructed with aluminized heavy-gauge steel, internally welded baffles and bridge-constructed inlets / outlets to improve vibration resistance and durability.

Backed by the best guarantee in the industry
Premium performance mufflers are backed by a 4-year / 500,000-mile / 800,000 km warranty plus an exclusive 90-Day Safe & Sound® Guarantee.