Fits 20-26 GM 2500HD/3500HD 6.6L Gas Eng FFX Direct Fit Muffler Exhaust System,

Fits 20-26 GM 2500HD/3500HD 6.6L Gas Eng FFX Direct Fit Muffler Exhaust System,

Brand: Flowmaster
SKU: 718155
409.95 USD In stock Buy at Merchant

This Flowmaster muffler system for 2020-2026 GM 2500HD and 3500HD trucks enhances performance and sound with 3.50-inch inlet and 409 stainless steel construction. It offers 7 hp and 5 lb-ft gains and comes with installation instructions.

  • The description claims max dyno gains of 7 hp and 5 lb-ft at the rear wheels.
  • The system uses all factory hanger locations for easy installation.
  • The kit includes complete hardware and factory styled hangers.
  • The system is backed by Flowmaster's Lifetime Limited Warranty.
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  • Default Title — 409.95 USD — In stock

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