3.5

Showing all 2 results

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SKU
Product
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  • Chevrolet, GMC (6.6) Exhaust Muffler Assembly
    SKU: 718155
    • Adds max dyno gains of 7 hp and 5 lb-ft at the rear wheels for better acceleration and towing
    • Full 409 stainless steel construction resists corrosion for years of trouble-free performance
    • Straight-through Flow FX absorption muffler delivers an aggressive tone with no interior drone
    • Direct-fit design uses factory hangers and connections for easy DIY installation
    • Includes flat band clamps, hardware, and instructions; backed by Flowmaster’s Lifetime Limited Warranty
    • Fits both 2WD and 4WD 2020-2026 GM 2500HD/3500HD trucks with the 6.6L gas engine
  • Ford (6.2, 6.8, 7.3) Exhaust Muffler Assembly
    SKU: 718102
    • Dyno-proven max gains of 12 hp and 11 lb-ft at the rear wheels for stronger acceleration and towing
    • Full 409 stainless steel muffler, pipe, and tubing for years of trouble-free, corrosion-resistant service
    • Direct-fit design uses all factory hanger locations for an easy at-home installation
    • Flow FX straight-through absorption muffler delivers an aggressive yet moderate tone
    • Includes flat-band clamps, hardware, and installation instructions — plus Flowmaster’s Lifetime Limited Warranty
    • Fits 2017-2026 Ford F250/F350 Super Duty 6.2L, 6.8L & 7.3L gas engines in both 2WD and 4WD