50 Series Big Block

Showing all 18 results

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  • Flowmaster Force II Cat-back Exhaust System
    SKU: 817451
    • Complete cat-back kit with a 50 Series Big Block muffler for a mild-to-moderate, non-droning tone
    • 3.50-inch mandrel-bent stainless steel tubing plus a large 4.00-inch polished stainless tip
    • Tailpipe exits behind the right rear tire, purpose-built for towing applications
    • Uses factory hanger locations for a quick, at-home install with included hardware and instructions
    • Emissions legal and CARB compliant, backed by a Limited Lifetime Warranty
    • Purpose-fit for 2011-2019 Silverado/Sierra 2500HD/3500HD crew cab 6.0L trucks (2WD & 4WD, 6.5ft bed)
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17328
    • Deep, powerful exterior tone with a moderate interior sound thanks to the dual inlet 50 Series Big Block muffler
    • Delivers improved throttle response, power, and mileage like every Flowmaster cat-back system
    • 3.50-inch aluminized tailpipe exits behind the right rear wheel — ideal for towing setups
    • Finished with a large 4.00-inch polished 304 stainless steel tip embossed with the Flowmaster logo
    • CARB (California) compliant with all necessary parts and hardware for an easy, bolt-in install
    • Direct fitment for 2001-2006 (2007 Classic) Silverado / Sierra 2500HD/3500HD with 6.0L or 8.1L engines
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 17350
    • 3.00-inch mandrel-bent aluminized steel tubing delivers efficient flow, improved throttle response, power, and mileage
    • 50 Series Big Block muffler tuned for a deep, moderate exterior tone with a mild-to-moderate interior tone
    • Finished with a large 3.50-inch polished 304 stainless steel tip for a subtle custom look
    • Uses factory hanger locations and includes all necessary parts and hardware for easy installation
    • CARB compliant and especially recommended for towing applications
    • Backed by a 3-year Limited Warranty
  • Flowmaster Force II Cat-back Exhaust System
    SKU: 817344
    • Moderate exterior tone with a mild interior tone — great power without loud cabin drone
    • 3.00-inch mandrel-bent 409 stainless steel tubing paired with an included 50 Series Big Block muffler
    • Single side-exit tailpipe routes behind the right rear wheel, keeping exhaust off your boat or trailer while towing
    • Delivers improved throttle response, power and mileage
    • CARB (California) compliant and includes all parts, hardware and easy-to-follow instructions
  • Chevrolet, GMC (5.7) Exhaust System Kit
    SKU: 17166
    • Complete Flowmaster Force II cat-back exhaust system built specifically for 1996-1999 Tahoe/Yukon 5.7L
    • 50 Series Big Block muffler delivers a deep, mellow, mild sound level inside and out
    • 3.00-inch mandrel-bent aluminized steel pipes and a Scavenger Series Y-pipe boost scavenging and torque
    • Bolt-on install using factory hanger locations with all parts and hardware included
    • Emissions-legal and CARB (California) compliant, backed by a 3-year Limited Warranty
  • Chevrolet, GMC (5.7) Exhaust System Kit
    SKU: 17165
    • Deep, mellow, mild sound level from the 50 Series Big Blockâ„¢ muffler — refined inside and out
    • 3.00-inch mandrel-bent aluminized steel piping for smooth, consistent flow
    • True bolt-on install using factory hanger locations with all hardware included
    • Large 4.00-inch polished stainless steel tip for a clean finished look
    • Emissions-legal and CARB (California) compliant, backed by a 3-year Limited Warranty
    • Custom-fit for 1996-1999 Tahoe/Yukon 5.7L, 2-door models (2WD/4WD)
  • Chevrolet, GMC (5.7, 7.4) Exhaust System Kit
    SKU: 17224
    • Deep, moderate exhaust tone from the dual 3.00-inch inlet 50 Series Big Block muffler — powerful without excessive cabin drone
    • Direct-fit cat-back exhaust system for 1996-1999 Chevrolet Silverado / GMC Sierra 2500/3500 with 5.7L or 7.4L engines
    • Towing-ready turndown tip exits behind the right rear wheel with a mandrel-bent aluminized steel tailpipe for smooth flow
    • True bolt-on install using factory hanger locations, with clamps and hardware included for at-home installation
    • CARB compliant and emissions-legal, backed by a 3-year Limited Warranty
  • Chevrolet, GMC (6.0) Exhaust System Kit
    SKU: 17325
    • Complete American Thunder cat-back exhaust system with the dual-inlet 50 Series Big Block muffler included for a deep, powerful tone
    • Delivers a moderate interior tone with an aggressive exterior sound — heard without being obnoxious
    • Designed to improve throttle response, power, and mileage on your 6.0 Chevrolet/GMC truck
    • Tailpipe exits behind the right-side rear wheel, an ideal layout for towing
    • Finished with a large 3.50-inch polished 304 stainless steel tip embossed with the Flowmaster logo
    • CARB (California) compliant and uses factory hanger locations for an easy, bolt-on installation
  • Chevrolet, GMC (4.8, 5.3) Exhaust System Kit
    SKU: 17344
    • Direct bolt-on Force II® catback exhaust for 2000-2006 Tahoe/Yukon 4.8L & 5.3L — uses factory hanger locations for easy install
    • 3.00-inch mandrel-bent aluminized tubing paired with the Flowmaster 50 Series Big Blockâ„¢ muffler for noticeable performance gains
    • Muscular exterior sound with a Helmholtz chamber that keeps interior resonance mild and livable
    • Finished with a polished 3.50-inch 304 stainless steel tip embossed with the Flowmaster® logo
    • Fits both 2WD and 4WD models and is CARB (California) compliant
    • Complete kit includes the muffler (P/N 53051) and is backed by a 3-year Limited Warranty
  • Flowmaster Force II Cat-back Exhaust System
    SKU: 817166
    • Delivers a deep, mellow tone at a mild-to-moderate sound level thanks to the included 50 Series Big Blockâ„¢ muffler — refined inside and out
    • CARB compliant and emissions-legal, so you can upgrade your exhaust while staying within state regulations
    • Full mandrel-bent 409 and stainless steel construction with a polished 3.50-inch tip for smooth flow and a clean finished look
    • Complete bolt-on kit with all necessary parts and hardware for quick, easy at-home installation
    • Custom designed for 1996-1999 Chevy Tahoe / GMC Yukon 5.7L, 4-door 2WD and 4WD models
    • Backed by Flowmaster’s Lifetime Limited Warranty for long-term peace of mind
  • Flowmaster 50 Series Big Block Chambered Muffler
    SKU: 527504
    • Internal tuning chamber delivers maximum sound control and a mild, quiet interior tone even under heavy loads
    • Designed to help promote mileage and power gains on big cubic inch and heavy-duty engines
    • 16 gauge aluminized steel construction, fully MIG welded for maximum durability
    • Ideal for full-size trucks, SUVs, RVs, and tow vehicles with a universal, dual inlet/outlet design
    • 2.75-inch dual inlet with high-temperature paint finish for lasting protection
  • Flowmaster 50 Series Big Block Chambered Muffler
    SKU: 530504
    • Mild, quiet interior tone keeps cabin noise and drone down, even under heavy loads
    • Large case with internal tuning chamber for mileage and power gains
    • Rugged 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Ideal for heavy-duty full-size trucks, SUVs, RVs, and tow vehicles
    • Universal fit with 3.00″ dual inlet and dual outlet for flexible installation
  • Flowmaster 50 Series Big Block Chambered Muffler
    SKU: 530513
    • Large case with internal tuning chamber delivers mileage and power gains plus maximum sound control
    • Mild, quiet interior tone that stays refined even under heavy loads
    • Ideal for full-size trucks, SUVs, RVs, and tow vehicles
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Universal fitment with a 3.00-inch dual inlet for flexible installs
    • High-temperature paint finish for lasting protection
  • Flowmaster American Thunder Cat-back Exhaust System
    SKU: 817328
    • Deep, powerful exterior tone with a moderate interior sound, delivered by the dual inlet 50 Series Big Block muffler
    • Improves throttle response, power, and mileage as a genuine Flowmaster Cat-back upgrade
    • Durable 409 stainless steel tailpipe capped with a polished 304 stainless 4.00-inch Flowmaster-embossed tip
    • Right-side rear exit behind the wheel is ideal for towing
    • Uses factory hanger locations and includes hardware and a custom aluminum heat shield for an easy install
    • CARB (California) compliant fitment for 2001-2006 (2007 Classic) Silverado/Sierra 2500HD/3500HD 6.0L or 8.1L
  • Flowmaster Force II Cat-back Exhaust System
    SKU: 817486
    • Delivers improved horsepower and torque with a moderate performance sound both inside and outside the truck
    • Includes both side-exit and rear-exit tailpipes so you can choose the look that fits your Tundra
    • Built from durable 409S stainless steel with 2.50-inch mandrel-bent tubing for lasting, free-flowing performance
    • 50 Series Big Block muffler and 3.00-inch polished 304 stainless tips deliver aggressive tone and clean styling
    • Easy bolt-on install with included hardware and instructions, backed by a Lifetime Limited Warranty
    • CARB (California) compliant for use on emissions-regulated vehicles
  • Flowmaster Force II Cat-back Exhaust System
    SKU: 817603
    • Muscular exterior sound from the Flowmaster 50 Series Big Block muffler, with a built-in Helmholtz chamber to tame interior resonance
    • Large 3.50-inch mandrel-bent stainless steel tubing improves flow for noticeable performance gains
    • Bolt-on installation using factory hanger locations makes fitment quick and hassle-free
    • Polished 4.00-inch 304 stainless steel tip embossed with the Flowmaster logo for a clean finished look
    • CARB compliant and emissions-legal, purpose-built for 2011-2018 Silverado/Sierra 1500 6.2L trucks
    • Covered by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster 50 Series Big Block Chambered Muffler
    SKU: 53553
    • Large case and internal tuning chamber deliver maximum sound control with a quiet, mild interior tone
    • Built for heavy-duty use — full-size trucks, SUVs, RVs, and tow vehicles
    • 16 gauge aluminized steel, fully MIG welded for maximum durability
    • Supports mileage and power gains even under heavy loads
    • 3.50-inch inlet with universal fitment for flexible exhaust builds
    • High-temperature paint finish adds extra protection
  • Chevrolet, GMC (2.7) Exhaust System Kit
    SKU: 818113
    • Gains of up to 4 hp and 11 lbs-ft of torque at the rear wheels over stock
    • Durable 409 stainless steel construction with dual 2.50-inch mandrel-bent pipes for improved flow
    • American Thunder 50 Series Big Block muffler delivers a moderate, aggressive sound without highway drone
    • Dual 3.50-inch polished tips and dual rear or dual side exit for a custom look
    • Bolts to all factory hanger locations with included hardware and instructions for an easy at-home install
    • CARB (California) compliant and backed by Flowmaster’s Lifetime Limited Warranty